Smooks and WSO2 integration: No ContentHandlerFactory configured

Nestor F

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Jan 3, 2022, 2:23:10 PM1/3/22

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Hi team,

We succesfully created a Java PoC using Smooks (2.0.0-M3) and DFDL to parse EDI to XML and unparse XML to EDI, based on the Smooks examples.

We are trying to implement this as an API on WSO2. We have tried 2 approaches to make the functionality available from the mediation logic in the integration platform:

Create a WSO2 custom mediator (which is deployed as an OSGI bundle)
Create an Axis2 service

Either way we get an error when instantiating the Smooks class (see below).

I checked the DefaultContentDeliveryConfigBuilder code but couldn't figure out a workaround to this error yet.

Could you please give some advice on how to best troubleshoot and solve this issue on such runtime? (maybe it happens with other frameworks as well, like Camel, Spring Boot,..?)

org.smooks.api.SmooksException: Error processing resource file '/system-interceptors.xml'.
at org.smooks.engine.resource.config.SystemResourceConfigListFactory.create(SystemResourceConfigListFactory.java:77)
at org.smooks.engine.DefaultApplicationContextBuilder.registerSystemResources(DefaultApplicationContextBuilder.java:130)
at org.smooks.engine.DefaultApplicationContextBuilder.build(DefaultApplicationContextBuilder.java:104)
at org.smooks.Smooks.<init>(Smooks.java:152)

...

Caused by: org.smooks.api.SmooksException: No ContentHandlerFactory configured (IoC) for type 'class' (Java).
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ContentHandlerExtractionStrategy.applyContentDeliveryUnitStrategy(DefaultContentDeliveryConfigBuilder.java:377)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ContentHandlerExtractionStrategy.applyStrategy(DefaultContentDeliveryConfigBuilder.java:367)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ResourceConfigTableIterator.iterate(DefaultContentDeliveryConfigBuilder.java:518)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ResourceConfigTableIterator.access$200(DefaultContentDeliveryConfigBuilder.java:498)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder.extractContentHandlers(DefaultContentDeliveryConfigBuilder.java:340)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder.load(DefaultContentDeliveryConfigBuilder.java:238)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder.build(DefaultContentDeliveryConfigBuilder.java:140)
at org.smooks.engine.delivery.DefaultContentDeliveryRuntimeFactory.create(DefaultContentDeliveryRuntimeFactory.java:87)
at org.smooks.engine.DefaultExecutionContext.<init>(DefaultExecutionContext.java:117)
at org.smooks.engine.DefaultExecutionContext.<init>(DefaultExecutionContext.java:94)
at org.smooks.Smooks.createExecutionContext(Smooks.java:448)
at org.smooks.Smooks.createExecutionContext(Smooks.java:406)
at org.smooks.engine.resource.config.XMLConfigDigester.digestExtendedResourceConfig(XMLConfigDigester.java:521)
at org.smooks.engine.resource.config.XMLConfigDigester.digestV20XSDValidatedConfig(XMLConfigDigester.java:331)
at org.smooks.engine.resource.config.XMLConfigDigester.digestConfigRecursively(XMLConfigDigester.java:246)
at org.smooks.engine.resource.config.XMLConfigDigester.digestConfig(XMLConfigDigester.java:214)
at org.smooks.engine.resource.config.SystemResourceConfigListFactory.create(SystemResourceConfigListFactory.java:69)
... 21 more

Regards and happy New Year

Claude Mamo

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Jan 3, 2022, 3:02:57 PM1/3/22

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Glad to hear Nestor! About the error, Smooks isn't finding a registered ContentHandlerFactory for creating Java resources. The only explanation I could think of which is causing the error is that the container environment is hiding smooks-core-2.0.0-M3.jar!/META-INF/services/org.smooks.api.delivery.ContentHandlerFactory from the Smooks runtime which prevents JavaContentHandlerFactory from being discovered.

Claude

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Srivathsan Shanmuganathan

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Jan 4, 2022, 4:33:18 AM1/4/22

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Hi Nestor, did you try copying the smooks-core jar to lib folder? The jar will be converted as a bundle then.

Vathsan

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Nestor F

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Jan 4, 2022, 5:19:01 AM1/4/22

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Thank you very much Vathsan, I think that did help. However it is not working yet.

I copied these files to the lib folder (these jars are also included in the shaded depoyable jar or aar)

smooks-api-2.0.0-M3.jar
smooks-commons-2.0.0-M3.jar
smooks-core-2.0.0-M3.jar

Now I am getting a different error: ClassNotFoundException for class FreeMarkerTemplate, even though I can see that class is included inside smooks-commons-2.0.0-M3.jar in lib folder.

[2022-01-04 11:07:33,882] WARN {Scanner} - Not scanning classpath for ClassLoader 'org.eclipse.osgi.internal.loader.EquinoxClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.
java.lang.TypeNotPresentException: Type org.smooks.support.FreeMarkerTemplate not present
at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:117)
at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:125)
at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49)
at sun.reflect.generics.visitor.Reifier.reifyTypeArguments(Reifier.java:68)
at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:138)
at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49)
at sun.reflect.generics.repository.ClassRepository.getSuperInterfaces(ClassRepository.java:108)
at java.lang.Class.getGenericInterfaces(Class.java:913)
at org.smooks.engine.converter.TypeConverterFactoryLoader.assertTypeConverterFactoryInterface(TypeConverterFactoryLoader.java:86)
at org.smooks.engine.converter.TypeConverterFactoryLoader.load(TypeConverterFactoryLoader.java:67)
at org.smooks.engine.DefaultRegistry.<init>(DefaultRegistry.java:96)
at org.smooks.engine.DefaultApplicationContextBuilder.build(DefaultApplicationContextBuilder.java:95)

at org.smooks.Smooks.<init>(Smooks.java:152)

at com.chakray.axis2.Parse.xml2edi(Parse.java:104)
at com.chakray.axis2.Parse.doParse(Parse.java:58)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:212)
at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:117)
at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:110)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
at org.apache.synapse.transport.passthru.ServerWorker.processNonEntityEnclosingRESTHandler(ServerWorker.java:367)
at org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:426)
at org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:181)
at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassNotFoundException: org.smooks.support.FreeMarkerTemplate cannot be found by smooks_core_2.0.0_M3_1.0.0
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:512)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:423)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:415)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:155)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:114)
... 30 more

Srivathsan Shanmuganathan

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Jan 4, 2022, 5:32:51 AM1/4/22

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From the latest error I suspect the OSGi bundles are not resolving since there seems to be some version mismatch.

You may try starting the WSO2 server with '-DosgiConsole' system property and then check what is the FreeMarkerTemplate version smooks-core jar is expecting.

You may use 'ss' to list all the bundles and then use 'diag <component number of smooks-core>' to troubleshoot.

To view this discussion on the web visit https://groups.google.com/d/msgid/smooks-user/a2019aa8-b207-41d8-8d62-623dbe5d1eddn%40googlegroups.com.

Nestor F

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Jan 4, 2022, 5:41:27 AM1/4/22

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Thanks Vathsan. I tried but this is not telling me much about the error at the moment, the bundles appear to be active:

osgi> ss smooks
"Framework is launched."

id State Bundle
171 RESOLVED org.wso2.carbon.mediator.smooks_4.7.59
Master=233
226 ACTIVE smooks_1.5.1.wso2v1
227 ACTIVE smooks_api_2.0.0_M3_1.0.0
228 ACTIVE smooks_commons_2.0.0_M3_1.0.0
229 ACTIVE smooks_core_2.0.0_M3_1.0.0

osgi> diag 227
smooks_api_2.0.0_M3 [227]
No resolution report for the bundle.
osgi> diag 228
smooks_commons_2.0.0_M3 [228]
No resolution report for the bundle.
osgi> diag 229
smooks_core_2.0.0_M3 [229]
No resolution report for the bundle.

Srivathsan Shanmuganathan

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Jan 4, 2022, 5:48:42 AM1/4/22

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Yes, it seems everything is active. I wonder why ClassNotFoundException is thrown during server startup.

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Nestor F

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Jan 4, 2022, 5:53:06 AM1/4/22

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No, that ClassNotFoundException is not thrown during server startup. Server startup is fine.

ClassNotFoundException is thrown only during runtime, when creating an instance of Smooks.

Smooks smooks = new Smooks();

Either without parameters or when passing a Smooks configuration file to the constructor.

Srivathsan Shanmuganathan

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Jan 4, 2022, 6:07:29 AM1/4/22

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Sorry, I misunderstood the issue.

Since this is happening during runtime, importing the said package (org.smooks.support.*) or setting <DynamicImport-Package>*</DynamicImport-Package> in the custom mediator's pom.xml file should resolve the problem. If that doesn't work give it a try using resolution:=optional;

You may also refer to https://wso2.com/library/articles/getting-started-wso2-carbon/ for more details.

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Nestor F

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Jan 4, 2022, 10:37:12 AM1/4/22

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Thanks Vathsan. No success yet, same error:

java.lang.ClassNotFoundException: org.smooks.support.FreeMarkerTemplate cannot be found by smooks_core_2.0.0_M3_1.0.0

We will keep checking. Anyway I attach the pom in case you want to have a look.

pom.xml

Nestor F

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Jan 4, 2022, 3:42:36 PM1/4/22

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Vathsan:

I tried removing the maven shade plugin from the custom mediator pom.xml, and copying all the dependency jars to the lib folder. In that case, the error is the same again:

java.lang.ClassNotFoundException: org.smooks.support.FreeMarkerTemplate cannot be found by smooks_core_2.0.0_M3_1.0.0

The bundle smooks_core_2.0.0_M3_1.0.0 is generated from the jar file smooks-core-2.0.0-M3.jar in the lib folder.

I suspect perhaps the issue is not with the custom mediator pom.xml, but maybe the smooks_core_2.0.0_M3_1.0.0 needs to import org.smooks.support.FreeMarkerTemplate from the smooks_commons_2.0.0_M3_1.0.0 bundle (smooks-commons-2.0.0-M3.jar), and it is not importing it now, is that possible? I tried updating the MANIFEST in the smooks_core bundle but it hasn't worked.

Srivathsan Shanmuganathan

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Jan 5, 2022, 1:55:54 AM1/5/22

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Hi Nestor,

As I checked the package is being exported from smooks-core and smooks-common.

osgi> p org.smooks.support
osgi.wiring.package; bundle-symbolic-name="smooks_commons_2.0.0_M3"; bundle-version:Version="1.0.0"; version:Version="0.0.0"; osgi.wiring.package="org.smooks.support"<smooks_commons_2.0.0_M3_1.0.0 [584]>
osgi.wiring.package; bundle-symbolic-name="smooks_core_2.0.0_M3"; bundle-version:Version="1.0.0"; version:Version="0.0.0"; osgi.wiring.package="org.smooks.support"<smooks_core_2.0.0_M3_1.0.0 [585]>

Could you please try adding the following configuration in the pom?

<Import-Package>
org.smooks.support;version="0.0.0",

*;resolution:=optional

</Import-Package>

To confirm if the smooks_core_2.0.0_M3_1.0.0 really needs to import org.smooks.support.FreeMarkerTemplate from the smooks_commons_2.0.0_M3_1.0.0 bundle, we can add smooks-commons as a dependency in the mediator.pom and then export the package. Something like this,

<dependencies>
<dependency>
<groupId>org.smooks</groupId>
<artifactId>smooks-commons</artifactId>
<version>2.0.0-M3</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
...
<configuration>
<instructions>
<Export-Package>
org.smooks.support;version="0.0.0"
</Export-Package>
</instructions>
</configuration>
</plugin>
</plugins>
</build>

Vathsan

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Nestor F

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Jan 5, 2022, 5:55:32 AM1/5/22

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Hi Vathsan,

If I update the pom as per your last comment (updated-pom.xml), I still get the same runtime error:

Caused by: java.lang.ClassNotFoundException: org.smooks.support.FreeMarkerTemplate cannot be found by smooks_core_2.0.0_M3_1.0.0

ss smooks
"Framework is launched."

id State Bundle

202 RESOLVED org.wso2.carbon.mediator.smooks_4.7.59
Master=271
261 ACTIVE smooks_1.5.1.wso2v1
262 ACTIVE smooks_api_2.0.0_M3_1.0.0
263 ACTIVE smooks_commons_2.0.0_M3_1.0.0
264 ACTIVE smooks_core_2.0.0_M3_1.0.0
265 ACTIVE smooks_dfdl_cartridge_1.0.0_M3_1.0.0
266 ACTIVE smooks_edi_cartridge_2.0.0_M3_1.0.0

osgi> ss Mediator

"Framework is launched."

id State Bundle

4 ACTIVE EdifactIPMediator_1.0.0.SNAPSHOT

osgi> p org.smooks.support
osgi.wiring.package; bundle-symbolic-name="smooks_commons_2.0.0_M3"; bundle-version:Version="1.0.0"; version:Version="0.0.0"; osgi.wiring.package="org.smooks.support"<smooks_commons_2.0.0_M3_1.0.0 [263]>
osgi.wiring.package; bundle-symbolic-name="smooks_core_2.0.0_M3"; bundle-version:Version="1.0.0"; version:Version="0.0.0"; osgi.wiring.package="org.smooks.support"<smooks_core_2.0.0_M3_1.0.0 [264]>
osgi.wiring.package; bundle-symbolic-name="EdifactIPMediator"; bundle-version:Version="1.0.0.SNAPSHOT"; version:Version="0.0.0"; osgi.wiring.package="org.smooks.support"; uses:="org.slf4j,org.smooks.assertion,org.smooks.classpath,javax.xml,org.w3c.dom,org.smooks.api,freemarker.template,freemarker.ext.dom,org.smooks.engine.resource.visitor.dom,org.smooks.api.bean.context,org.mvel2.templates,org.apache.commons.lang,org.smooks.io.payload,org.smooks.api.delivery.sax,javax.xml.namespace,org.xml.sax,org.smooks.xml,javax.xml.transform.stream,org.smooks,javax.xml.transform,org.smooks.api.profile,javax.xml.validation,javax.xml.transform.dom,javax.xml.parsers,javax.xml.xpath"<EdifactIPMediator_1.0.0.SNAPSHOT [4]>

updated-pom.xml

Srivathsan Shanmuganathan

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Jan 6, 2022, 12:08:47 PM1/6/22

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Hi Nestor,

I somehow missed the email.

Would you able to share a sample source code (the problematic part), so that I can give it a try from my end?

Vathsan

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Nestor F

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Jan 7, 2022, 6:34:07 AM1/7/22

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Vathsan: You can get the code here. The code has been tested on Java, but it doesn't run as a WSO2 mediator due to dependency issues.

https://www.dropbox.com/s/i1zpqdzug3qond8/Smooks2Mediator.zip?dl=0
https://www.dropbox.com/s/9gvnvbgdda6fttm/libs.zip?dl=0

Thanks

Ulrich Schuster

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Apr 1, 2022, 12:35:21 PM4/1/22

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Dear Nestor

Were you able to resolve the problem? I am getting the exact same error message with Smooks 2.0.0-RC1 in a plain Kotlin environment on JDK17:

2022-04-01T18:04:48.140+0200 WARN Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.
2022-04-01T18:04:48.393+0200 WARN Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.
Exception in thread "main" org.smooks.api.SmooksException: Error processing resource file '/system-interceptors.xml'.

at org.smooks.engine.resource.config.SystemResourceConfigListFactory.create(SystemResourceConfigListFactory.java:77)
at org.smooks.engine.DefaultApplicationContextBuilder.registerSystemResources(DefaultApplicationContextBuilder.java:130)
at org.smooks.engine.DefaultApplicationContextBuilder.build(DefaultApplicationContextBuilder.java:104)

at org.smooks.Smooks.<init>(Smooks.java:151)

This is the error I see when executing the maven assembly fat-jar on the command line. When running from inside IntelliJ, the error is different:

Exception in thread "main" org.smooks.api.SmooksConfigException: Error invoking @PostConstruct method 'postConstruct' on class 'org.smooks.cartridges.dfdl.parser.DfdlParser'.
at org.smooks.engine.lifecycle.AbstractLifecyclePhase.invoke(AbstractLifecyclePhase.java:79)
at org.smooks.engine.lifecycle.PostConstructLifecyclePhase.doApply(PostConstructLifecyclePhase.java:88)
at org.smooks.engine.lifecycle.AbstractLifecyclePhase.apply(AbstractLifecyclePhase.java:61)
at org.smooks.engine.lifecycle.DefaultLifecycleManager.applyPhase(DefaultLifecycleManager.java:53)
at org.smooks.engine.delivery.JavaContentHandlerFactory.create(JavaContentHandlerFactory.java:94)

[...]

Caused by: org.smooks.api.SmooksConfigException: org.smooks.api.SmooksConfigException: java.lang.RuntimeException: Schema Definition Error: Error loading schema due to org.xml.sax.SAXParseException; systemId: file:/var/folders/9s/0zd_vp9s7q9cfkb89j1xvk0w0000gn/T/15794338114091714036/EDIFACT-Interchange-9ff715a6-73f0-3595-8f18-c283689a52ad-.dfdl.xsd; lineNumber: 89; columnNumber: 30; src-resolve: Cannot resolve the name 'D07B:D07B' to a(n) 'element declaration' component.
Schema context: file:/var/folders/9s/0zd_vp9s7q9cfkb89j1xvk0w0000gn/T/15794338114091714036/EDIFACT-Interchange-9ff715a6-73f0-3595-8f18-c283689a52ad-.dfdl.xsd Location in file:/var/folders/9s/0zd_vp9s7q9cfkb89j1xvk0w0000gn/T/15794338114091714036/EDIFACT-Interchange-9ff715a6-73f0-3595-8f18-c283689a52ad-.dfdl.xsd
at org.smooks.cartridges.edi.EdiDataProcessorFactory.createDataProcessor(EdiDataProcessorFactory.java:87)
at org.smooks.cartridges.dfdl.parser.DfdlParser.postConstruct(DfdlParser.java:167)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.smooks.engine.lifecycle.AbstractLifecyclePhase.invoke(AbstractLifecyclePhase.java:75)
... 39 more

Even though they are different, I suspect both errors to be related. I'm running a multi-module maven build. My knowledge on Jave classpath issues maybe in combination with the Java module system (the classloader warning above) is limited. Any pointers to move forward in debugging would be greatly appreciated!

Thanks very much

Uli

Nestor F

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Apr 1, 2022, 1:46:33 PM4/1/22

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Hi Ulrich,

Unfortunately we never solved this, not even with WSO2 support. We ended up simply using Java and Spring instead, then we encountered no dependency issues at all, and that worked for us.

Regards

Stefan Großhauser

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Jul 1, 2022, 3:47:36 AM7/1/22

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Hello everyone,

I am encountering this exception, too, with 2.0.0-RC1, Java 8. Note that the execution only arises here when my code is running in the VM of an ERP application.

Caused by: org.smooks.api.SmooksException: Error processing resource file '/system-interceptors.xml'.

at org.smooks.engine.resource.config.SystemResourceConfigListFactory.create(SystemResourceConfigListFactory.java:77)
at org.smooks.engine.DefaultApplicationContextBuilder.registerSystemResources(DefaultApplicationContextBuilder.java:130)
at org.smooks.engine.DefaultApplicationContextBuilder.build(DefaultApplicationContextBuilder.java:104)
at org.smooks.Smooks.<init>(Smooks.java:151)

at org.smooks.Smooks.<init>(Smooks.java:181)
at de.hammerbachergmbh.edieingang.OfficeDepotEdiParser.readEDI(OfficeDepotEdiParser.java:64)
at de.hammerbachergmbh.edieingang.OfficeDepotEdiParser.parse(OfficeDepotEdiParser.java:44)
... 17 more

Caused by: org.smooks.api.SmooksException: No ContentHandlerFactory configured (IoC) for type 'class' (Java).

at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ContentHandlerExtractionStrategy.applyContentDeliveryUnitStrategy(DefaultContentDeliveryConfigBuilder.java:383)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ContentHandlerExtractionStrategy.applyStrategy(DefaultContentDeliveryConfigBuilder.java:373)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ResourceConfigTableIterator.iterate(DefaultContentDeliveryConfigBuilder.java:524)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder$ResourceConfigTableIterator.access$200(DefaultContentDeliveryConfigBuilder.java:504)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder.extractContentHandlers(DefaultContentDeliveryConfigBuilder.java:346)

at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder.load(DefaultContentDeliveryConfigBuilder.java:238)
at org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder.build(DefaultContentDeliveryConfigBuilder.java:140)

at org.smooks.engine.delivery.DefaultContentDeliveryRuntimeFactory.create(DefaultContentDeliveryRuntimeFactory.java:86)

at org.smooks.engine.DefaultExecutionContext.<init>(DefaultExecutionContext.java:117)
at org.smooks.engine.DefaultExecutionContext.<init>(DefaultExecutionContext.java:94)

at org.smooks.Smooks.createExecutionContext(Smooks.java:447)
at org.smooks.Smooks.createExecutionContext(Smooks.java:405)
at org.smooks.engine.resource.config.XMLConfigDigester.digestExtendedResourceConfig(XMLConfigDigester.java:518)
at org.smooks.engine.resource.config.XMLConfigDigester.digestV20XSDValidatedConfig(XMLConfigDigester.java:328)
at org.smooks.engine.resource.config.XMLConfigDigester.digestConfigRecursively(XMLConfigDigester.java:243)
at org.smooks.engine.resource.config.XMLConfigDigester.digestConfig(XMLConfigDigester.java:211)
at org.smooks.engine.resource.config.SystemResourceConfigListFactory.create(SystemResourceConfigListFactory.java:69)
... 23 more

The exception is thrown by the line in my code calling the constructor

Smooks smooks = new Smooks("smooks-config.xml");

The project uses gradle.

repositories {
maven {
// the repository for smooks packages
url "https://oss.sonatype.org/content/repositories/releases"
}
// Use Maven Central for resolving other dependencies.
mavenCentral()
}

dependencies {
// implementation ('org.smooks:smooks-core:2.0.0-RC1') // should not be necessary
implementation ('org.smooks.cartridges.edi:smooks-edifact-cartridge:2.0.0-RC1')
implementation ('org.smooks.cartridges:smooks-javabean-cartridge:2.0.0-RC1')
implementation ('org.smooks.cartridges.edi:edifact-schemas:2.0.0-RC1:d96a')

implementation ('org.smooks.cartridges.edi:edifact-schemas:2.0.0-RC1:d03b')

}

If I construct a minimal example identical to https://github.com/smooks/smooks-examples/tree/master/edifact-to-xml (but using gradle) then it compiles and executes without problems.

However, embedding the same dependencies and constructor call into that other Java application leads to the error.

Unfortunately, just like Uli, I do not really know how I could investigate on this any further, any pointers to move forward in debugging would be greatly appreciated.

If I check (naively? I am not very familiar with such issues at the moment) where the classes come from, I learn that all of these come from the jar deployed by me containing the smooks dependencies declared by me.

throw new RuntimeException(String.format("org.smooks.engine.delivery.DefaultContentDeliveryRuntimeFactory comes from %s\n"
+ "org.smooks.Smooks comes from %s\n"
+ "org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder comes from %s\n"
+ "org.smooks.api.delivery.ContentHandlerFactory comes from %s\n",
org.smooks.engine.delivery.DefaultContentDeliveryRuntimeFactory.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath(),
org.smooks.Smooks.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath(),
org.smooks.engine.delivery.DefaultContentDeliveryConfigBuilder.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath(),
org.smooks.api.delivery.ContentHandlerFactory.class.getProtectionDomain().getCodeSource().getLocation()
.toURI().getPath())

If somebody has an idea where I could look at, please let me know.

best regards

Stefan

Claude

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Jul 9, 2022, 12:30:36 PM7/9/22

to Smooks Users

Stefan & Ulrich,

As you can see, we've stumbled upon a well known problem. I've just documented its root cause and will be working on having it fixed in the next few days. A patch release will follow.

Claude

Ulrich Schuster

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Jul 9, 2022, 1:43:56 PM7/9/22

to Smooks Users

Great to hear that you found the root cause!

Claude

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Jul 10, 2022, 8:29:08 AM7/10/22

to Smooks Users

Ulrich, could you confirm that the latest Smooks core snapshot (i.e., org.smooks:smooks-core:2.0.0-RC2-SNAPSHOT) solves the problem for you? Keep in mind that the appropriate class loader needs to be set on the Smooks application context. For example:

new Smooks(new DefaultApplicationContextBuilder().setClassLoader(getClass().getClassLoader()).build())

Claude

Ulrich Schuster

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Jul 12, 2022, 8:55:45 AM7/12/22

to smook...@googlegroups.com

Dear Claude,

where can I get the RC2-SNAPSHOT from? i.e., which maven coordinates do I need to use?

Thanks very much!

Uli

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Claude Mamo

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Jul 12, 2022, 9:26:25 AM7/12/22

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Here you go:

<dependency>
    <groupId>org.smooks</groupId>
    <artifactId>smooks-core</artifactId>
    <version>2.0.0-RC2-SNAPSHOT</version>
</dependency>

Make sure that the Sonatype snapshot repo is declared:

<repositories>
    <repository>
        <id>oss.sonatype.org-snapshot</id>
        <url>https://oss.sonatype.org/content/repositories/snapshots</url>
        <releases>
            <enabled>false</enabled>
        </releases>
        <snapshots>
            <enabled>true</enabled>
        </snapshots>
    </repository>
</repositories>

Claude

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Ulrich Schuster

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Jul 12, 2022, 10:37:07 AM7/12/22

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Dear Claude

Update: I tried to get the latest snapshot from https://oss.sonatype.org/content/repositories/snapshots.

However, there does not seem to be a current BOM for RC2-SNAPSHOT. Would it be possible to create such a BOM for the SNAPSHOT?

Thanks very much

Uli

On Sun, Jul 10, 2022 at 2:29 PM Claude <claud...@gmail.com> wrote:

--

Claude Mamo

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Jul 12, 2022, 10:41:26 AM7/12/22

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Can't you override the smooks-core version declared in the BOM? I mean, declare smooks-core 2.0.0-RC2-SNAPSHOT in <dependencyManagement>?

Claude

To view this discussion on the web visit https://groups.google.com/d/msgid/smooks-user/CAMnHQ2L4_5_phB6ss_XFdVK3i4s_a4KNLGOAS9HNwfV-ptxAwA%40mail.gmail.com.

Claude

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Jul 20, 2022, 10:35:10 AM7/20/22

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Any luck Uli?

Claude

Ulrich Schuster

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Jul 20, 2022, 10:37:09 AM7/20/22

to Smooks Users

Dear Claude!

I am on vacation until the end of July, and won't be able to make any progress until then. But as soon as I get back, I am eager to try it out!

BR

Uli

Ulrich Schuster

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Aug 1, 2022, 7:17:07 AM8/1/22

to Smooks Users

Dear Claude!

I finally managed to include your revised smooks-core-2.0.0-RC2-SNAPSHOT, smooks-commons-2.0.0.RC2-SNAPSHOT, and smooks-api-2.0.0-RC2-SNAPSHOT. Unfortunately, I do not see any change in my application logs. For my complex Spring-Boot/Apache-Camel/Smooks application, I still get the following classloader and SmooksProcessor warnings, the same as with the RC1 dependencies:

2022-08-01 12:58:58 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 INFO EdifactParserFactory:39 - Created Smooks EDIFACT parser from directory D04B

2022-08-01 12:58:59 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 INFO EdifactParserFactory:39 - Created Smooks EDIFACT parser from directory D05A

2022-08-01 12:58:59 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 INFO EdifactParserFactory:39 - Created Smooks EDIFACT parser from directory D06A

2022-08-01 12:58:59 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 INFO EdifactParserFactory:39 - Created Smooks EDIFACT parser from directory D07B

2022-08-01 12:58:59 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 INFO EdifactParserFactory:39 - Created Smooks EDIFACT parser from directory D11A

2022-08-01 12:58:59 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 INFO EdifactParserFactory:39 - Created Smooks EDIFACT parser from directory D17A

2022-08-01 12:58:59 WARN Scanner:78 - Not scanning classpath for ClassLoader 'jdk.internal.loader.ClassLoaders$AppClassLoader'. ClassLoader must implement 'java.net.URLClassLoader'.

2022-08-01 12:58:59 INFO EdifactParserFactory:39 - Created Smooks EDIFACT parser from directory D18A

2022-08-01 12:58:59 INFO AbstractCamelContext:3005 - Apache Camel 3.18.0 (camel-1) is starting

2022-08-01 12:58:59 WARN SmooksProcessor:259 - Attachments module could not be found: attachments will not be propagated