Tutorial quickstart/greeter deployment error - empty database

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Daniel Pilsbacher

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Jul 11, 2022, 10:55:53 AM7/11/22
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Hello, I have some problems with the quickstart/greeter webapp tutorial. I can get Wildfly 26.1.1 up and running without problems. Also the URL http://localhost:8080/greeter/ addresses the correct UI that is ok at the very first glance.

Enter username:    _________________
[Greet!]
Add a new user

Despite the good news it complains at startup with:
11:26:02,528 WARN [org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl] (ServerService Thread Pool -- 78) GenerationTarget encountered exception accepting command : Error executing DDL "INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-1, 'jdoe', 'John', 'Doe')" via JDBC Statement: org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-1, 'jdoe', 'John', 'Doe')" via JDBC Statement


When creating a test user in the UI it says "Error processing request" but I think this is a follow up problem issued by the first one.

Error processing request
Context Path:/greeter
Servlet Path:/greet.xhtml
Path Info:null
Query String:null
Stack Trace:
javax.servlet.ServletException: /greet.xhtml @30,59 value="#{greetController.username}": Target Unreachable, identifier 'greetController' resolved to null
   at javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:725)
   at javax.faces.webapp.FacesServlet.service(FacesServlet.java:451)
   at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)




How can this be fixed? I can't see any solution from my point of view (at the moment).


BR Daniel
-------------------------------------
PS: Here are the complete LOGs.
11:25:53,731 INFO [org.jboss.modules] (main) JBoss Modules version 2.0.2.Final
11:25:55,022 INFO [org.jboss.msc] (main) JBoss MSC version 1.4.13.Final
11:25:55,028 INFO [org.jboss.threads] (main) JBoss Threads version 2.4.0.Final
11:25:55,101 INFO [org.jboss.as] (MSC service thread 1-2) WFLYSRV0049: WildFly Full 26.1.1.Final (WildFly Core 18.1.1.Final) starting
11:25:55,974 INFO [org.wildfly.security] (ServerService Thread Pool -- 27) ELY00001: WildFly Elytron version 1.19.0.Final
11:25:57,342 INFO [org.jboss.as.server.deployment.scanner] (DeploymentScanner-threads - 1) WFLYDS0004: Found greeter.war in deployment directory. To trigger deployment create a file called greeter.war.dodeploy
11:25:57,388 INFO [org.jboss.as.server] (Controller Boot Thread) WFLYSRV0039: Creating http management service using socket-binding (management-http)
11:25:57,403 INFO [org.xnio] (MSC service thread 1-7) XNIO version 3.8.7.Final
11:25:57,408 INFO [org.xnio.nio] (MSC service thread 1-7) XNIO NIO Implementation Version 3.8.7.Final
11:25:57,433 INFO [org.jboss.as.jaxrs] (ServerService Thread Pool -- 56) WFLYRS0016: RESTEasy version 4.7.6.Final
11:25:57,434 WARN [org.jboss.as.txn] (ServerService Thread Pool -- 74) WFLYTX0013: The node-identifier attribute on the /subsystem=transactions is set to the default value. This is a danger for environments running multiple servers. Please make sure the attribute value is unique.
11:25:57,436 INFO [org.wildfly.extension.elytron.oidc._private] (ServerService Thread Pool -- 52) WFLYOIDC0001: Activating WildFly Elytron OIDC Subsystem
11:25:57,437 INFO [org.wildfly.extension.microprofile.config.smallrye] (ServerService Thread Pool -- 64) WFLYCONF0001: Activating MicroProfile Config Subsystem
11:25:57,437 INFO [org.jboss.as.clustering.infinispan] (ServerService Thread Pool -- 54) WFLYCLINF0001: Activating Infinispan subsystem.
11:25:57,437 INFO [org.wildfly.extension.microprofile.jwt.smallrye] (ServerService Thread Pool -- 65) WFLYJWT0001: Activating MicroProfile JWT Subsystem
11:25:57,448 INFO [org.jboss.as.naming] (ServerService Thread Pool -- 67) WFLYNAM0001: Activating Naming Subsystem
11:25:57,453 INFO [org.jboss.as.webservices] (ServerService Thread Pool -- 76) WFLYWS0002: Activating WebServices Extension
11:25:57,453 INFO [org.wildfly.extension.health] (ServerService Thread Pool -- 53) WFLYHEALTH0001: Activating Base Health Subsystem
11:25:57,460 INFO [org.wildfly.extension.microprofile.opentracing] (ServerService Thread Pool -- 66) WFLYTRACEXT0001: Activating MicroProfile OpenTracing Subsystem
11:25:57,463 INFO [org.wildfly.extension.metrics] (ServerService Thread Pool -- 63) WFLYMETRICS0001: Activating Base Metrics Subsystem
11:25:57,463 INFO [org.jboss.as.jsf] (ServerService Thread Pool -- 61) WFLYJSF0007: Activated the following Jakarta Server Faces Implementations: [main]
11:25:57,475 INFO [org.jboss.as.connector] (MSC service thread 1-4) WFLYJCA0009: Starting Jakarta Connectors Subsystem (WildFly/IronJacamar 1.5.3.Final)
11:25:57,503 INFO [org.wildfly.extension.undertow] (MSC service thread 1-1) WFLYUT0003: Undertow 2.2.17.Final starting
11:25:57,505 INFO [org.jboss.as.connector.subsystems.datasources] (ServerService Thread Pool -- 44) WFLYJCA0004: Deploying JDBC-compliant driver class org.h2.Driver (version 1.4)
11:25:57,513 INFO [org.jboss.as.connector.deployers.jdbc] (MSC service thread 1-4) WFLYJCA0018: Started Driver service with driver-name = h2
11:25:57,514 INFO [org.jboss.as.naming] (MSC service thread 1-1) WFLYNAM0003: Starting Naming Service
11:25:57,516 INFO [org.jboss.as.mail.extension] (MSC service thread 1-4) WFLYMAIL0001: Bound mail session [java:jboss/mail/Default]
11:25:57,570 WARN [org.wildfly.extension.elytron] (MSC service thread 1-1) WFLYELY00023: KeyStore file 'C:\Apps\wildfly-26.1.1.Final\standalone\configuration\application.keystore' does not exist. Used blank.
11:25:57,580 WARN [org.wildfly.extension.elytron] (MSC service thread 1-1) WFLYELY01084: KeyStore C:\Apps\wildfly-26.1.1.Final\standalone\configuration\application.keystore not found, it will be auto generated on first use with a self-signed certificate for host localhost
11:25:57,587 INFO [org.wildfly.extension.undertow] (ServerService Thread Pool -- 75) WFLYUT0014: Creating file handler for path 'C:\Apps\wildfly-26.1.1.Final/welcome-content' with options [directory-listing: 'false', follow-symlink: 'false', case-sensitive: 'true', safe-symlink-paths: '[]']
11:25:57,738 INFO [org.wildfly.extension.io] (ServerService Thread Pool -- 55) WFLYIO001: Worker 'default' has auto-configured to 32 IO threads with 256 max task threads based on your 16 available processors
11:25:57,741 INFO [org.jboss.as.ejb3] (MSC service thread 1-5) WFLYEJB0481: Strict pool slsb-strict-max-pool is using a max instance size of 256 (per class), which is derived from thread worker pool sizing.
11:25:57,741 INFO [org.jboss.as.ejb3] (MSC service thread 1-3) WFLYEJB0482: Strict pool mdb-strict-max-pool is using a max instance size of 64 (per class), which is derived from the number of CPUs on this host.
11:25:57,762 INFO [org.jboss.remoting] (MSC service thread 1-6) JBoss Remoting version 5.0.24.Final
11:25:57,774 INFO [org.wildfly.extension.undertow] (MSC service thread 1-4) WFLYUT0012: Started server default-server.
11:25:57,775 INFO [org.wildfly.extension.undertow] (MSC service thread 1-1) Queuing requests.
11:25:57,775 INFO [org.wildfly.extension.undertow] (MSC service thread 1-1) WFLYUT0018: Host default-host starting
11:25:57,789 INFO [org.wildfly.extension.undertow] (MSC service thread 1-5) WFLYUT0006: Undertow HTTP listener default listening on 127.0.0.1:8080
11:25:57,793 INFO [org.wildfly.extension.undertow] (MSC service thread 1-8) WFLYUT0006: Undertow HTTPS listener https listening on 127.0.0.1:8443
11:25:57,943 INFO [org.jboss.as.ejb3] (MSC service thread 1-4) WFLYEJB0493: Jakarta Enterprise Beans subsystem suspension complete
11:25:57,987 INFO [org.jboss.as.connector.subsystems.datasources] (MSC service thread 1-8) WFLYJCA0001: Bound data source [java:jboss/datasources/ExampleDS]
11:25:59,440 INFO [org.jboss.as.patching] (MSC service thread 1-3) WFLYPAT0050: WildFly Full cumulative patch ID is: base, one-off patches include: none
11:25:59,442 INFO [org.jboss.as.server.deployment.scanner] (MSC service thread 1-1) WFLYDS0013: Started FileSystemDeploymentService for directory C:\Apps\wildfly-26.1.1.Final\standalone\deployments
11:25:59,447 INFO [org.jboss.as.server.deployment] (MSC service thread 1-8) WFLYSRV0027: Starting deployment of "greeter.war" (runtime-name: "greeter.war")
11:25:59,864 INFO [org.jboss.ws.common.management] (MSC service thread 1-6) JBWS022052: Starting JBossWS 5.4.4.Final (Apache CXF 3.4.5)
11:26:00,120 INFO [org.jboss.as.jpa] (MSC service thread 1-8) WFLYJPA0002: Read persistence.xml for primary
11:26:00,132 WARN [org.jboss.as.connector] (MSC service thread 1-8) WFLYJCA0091: -ds.xml file deployments are deprecated. Support may be removed in a future version.
11:26:00,792 INFO [org.jipijapa] (MSC service thread 1-5) JIPIORMV53020253: Second level cache enabled for greeter.war#primary
11:26:00,861 INFO [org.jboss.as.connector.subsystems.datasources] (MSC service thread 1-7) WFLYJCA0001: Bound data source [java:jboss/datasources/GreeterQuickstartDS]
11:26:00,893 INFO [org.jboss.weld.deployer] (MSC service thread 1-5) WFLYWELD0003: Processing weld deployment greeter.war
11:26:01,109 INFO [org.infinispan.CONTAINER] (ServerService Thread Pool -- 78) ISPN000128: Infinispan version: Infinispan 'Triskaidekaphobia' 13.0.10.Final
11:26:01,221 INFO [org.infinispan.CONTAINER] (ServerService Thread Pool -- 78) ISPN000556: Starting user marshaller 'org.wildfly.clustering.infinispan.marshalling.jboss.JBossMarshaller'
11:26:01,320 INFO [org.hibernate.validator.internal.util.Version] (MSC service thread 1-5) HV000001: Hibernate Validator 6.0.23.Final
11:26:01,580 INFO [org.infinispan.CONTAINER] (ServerService Thread Pool -- 79) ISPN000556: Starting user marshaller 'org.wildfly.clustering.infinispan.spi.marshalling.InfinispanProtoStreamMarshaller'
11:26:01,594 INFO [org.jboss.as.jpa] (ServerService Thread Pool -- 78) WFLYJPA0010: Starting Persistence Unit (phase 1 of 2) Service 'greeter.war#primary'
11:26:01,616 INFO [org.hibernate.jpa.internal.util.LogHelper] (ServerService Thread Pool -- 78) HHH000204: Processing PersistenceUnitInfo [
   name: primary
   ...]
11:26:01,625 INFO [io.jaegertracing.internal.JaegerTracer] (MSC service thread 1-5) No shutdown hook registered: Please call close() manually on application shutdown.
11:26:01,627 INFO [org.wildfly.microprofile.opentracing.smallrye] (MSC service thread 1-5) WFLYTRAC0001: Tracer initialized: JaegerTracer(version=Java-1.6.0, serviceName=greeter.war, reporter=RemoteReporter(sender=org.wildfly.extension.microprofile.opentracing.spi.sender.WildFlySender@4922569c, closeEnqueueTimeout=1000), sampler=ConstSampler(decision=true, tags={sampler.type=const, sampler.param=true}), tags={hostname=LAPTOP-Q8P3OAU4, jaeger.version=Java-1.6.0, ip=10.0.0.20}, zipkinSharedRpcSpan=false, expandExceptionLogs=false, useTraceId128Bit=false)
11:26:01,661 INFO [org.jipijapa] (MSC service thread 1-3) JIPIORMV53020253: Second level cache enabled for greeter.war#primary
11:26:01,713 INFO [org.hibernate.Version] (ServerService Thread Pool -- 78) HHH000412: Hibernate Core {5.3.24.Final}
11:26:01,715 INFO [org.hibernate.cfg.Environment] (ServerService Thread Pool -- 78) HHH000206: hibernate.properties not found
11:26:01,718 INFO [org.jboss.weld.Version] (MSC service thread 1-3) WELD-000900: 3.1.9 (Final)
11:26:01,945 INFO [org.hibernate.annotations.common.Version] (ServerService Thread Pool -- 78) HCANN000001: Hibernate Commons Annotations {5.0.5.Final}
11:26:01,997 INFO [org.infinispan.CONFIG] (MSC service thread 1-1) ISPN000152: Passivation configured without an eviction policy being selected. Only manually evicted entities will be passivated.
11:26:01,998 INFO [org.infinispan.CONFIG] (MSC service thread 1-1) ISPN000152: Passivation configured without an eviction policy being selected. Only manually evicted entities will be passivated.
11:26:02,082 INFO [org.infinispan.CONTAINER] (ServerService Thread Pool -- 79) ISPN000025: wakeUpInterval is <= 0, not starting expired purge thread
11:26:02,085 INFO [org.jboss.as.clustering.infinispan] (ServerService Thread Pool -- 79) WFLYCLINF0002: Started http-remoting-connector cache from ejb container
11:26:02,103 INFO [org.jboss.as.jpa] (ServerService Thread Pool -- 78) WFLYJPA0010: Starting Persistence Unit (phase 2 of 2) Service 'greeter.war#primary'
11:26:02,276 INFO [org.hibernate.dialect.Dialect] (ServerService Thread Pool -- 78) HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
11:26:02,331 INFO [org.hibernate.envers.boot.internal.EnversServiceImpl] (ServerService Thread Pool -- 78) Envers integration enabled? : true
11:26:02,524 INFO [org.hibernate.tool.schema.internal.SchemaCreatorImpl] (ServerService Thread Pool -- 78) HHH000476: Executing import script 'ScriptSourceInputFromUrl(vfs:/C:/Apps/wildfly-26.1.1.Final/standalone/deployments/greeter.war/WEB-INF/classes/import.sql)'
11:26:02,528 WARN [org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl] (ServerService Thread Pool -- 78) GenerationTarget encountered exception accepting command : Error executing DDL "INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-1, 'jdoe', 'John', 'Doe')" via JDBC Statement: org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-1, 'jdoe', 'John', 'Doe')" via JDBC Statement
   at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applyImportSources(SchemaCreatorImpl.java:491)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:180)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121)
   at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155)
   at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72)
   at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310)
   at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467)
   at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1250)
   at org.jboss.as.jpa.hibernate5.TwoPhaseBootstrapImpl.build(TwoPhaseBootstrapImpl.java:44)
   at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:171)
   at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:129)
   at java.security.AccessController.doPrivileged(Native Method)
   at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:664)
   at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:214)
   at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
   at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
   at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
   at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
   at java.lang.Thread.run(Thread.java:750)
   at org.jboss.threads.JBossThread.run(JBossThread.java:513)
Caused by: org.h2.jdbc.JdbcSQLException: Table "USERS" not found; SQL statement:
INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-1, 'jdoe', 'John', 'Doe') [42102-197]
   at org.h2.message.DbException.getJdbcSQLException(DbException.java:357)
   at org.h2.message.DbException.get(DbException.java:179)
   at org.h2.message.DbException.get(DbException.java:155)
   at org.h2.command.Parser.readTableOrView(Parser.java:5920)
   at org.h2.command.Parser.readTableOrView(Parser.java:5897)
   at org.h2.command.Parser.parseInsert(Parser.java:1220)
   at org.h2.command.Parser.parsePrepared(Parser.java:431)
   at org.h2.command.Parser.parse(Parser.java:335)
   at org.h2.command.Parser.parse(Parser.java:307)
   at org.h2.command.Parser.prepareCommand(Parser.java:278)
   at org.h2.engine.Session.prepareLocal(Session.java:611)
   at org.h2.engine.Session.prepareCommand(Session.java:549)
   at org.h2.jdbc.JdbcConnection.prepareCommand(JdbcConnection.java:1247)
   at org.h2.jdbc.JdbcStatement.executeInternal(JdbcStatement.java:217)
   at org.h2.jdbc.JdbcStatement.execute(JdbcStatement.java:205)
   at org.jboss.jca.adapters.jdbc.WrappedStatement.execute(WrappedStatement.java:198)
   at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54)
   ... 22 more

11:26:02,530 WARN [org.hibernate.tool.schema.internal.ExceptionHandlerLoggedImpl] (ServerService Thread Pool -- 78) GenerationTarget encountered exception accepting command : Error executing DDL "INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-2, 'emuster', 'Erika', 'Mustermann')" via JDBC Statement: org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL "INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-2, 'emuster', 'Erika', 'Mustermann')" via JDBC Statement
   at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applyImportSources(SchemaCreatorImpl.java:491)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:180)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135)
   at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121)
   at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155)
   at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72)
   at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:310)
   at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467)
   at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1250)
   at org.jboss.as.jpa.hibernate5.TwoPhaseBootstrapImpl.build(TwoPhaseBootstrapImpl.java:44)
   at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:171)
   at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:129)
   at java.security.AccessController.doPrivileged(Native Method)
   at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:664)
   at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1.run(PersistenceUnitServiceImpl.java:214)
   at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
   at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
   at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
   at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
   at java.lang.Thread.run(Thread.java:750)
   at org.jboss.threads.JBossThread.run(JBossThread.java:513)
Caused by: org.h2.jdbc.JdbcSQLException: Table "USERS" not found; SQL statement:
INSERT INTO USERS (ID, USERNAME, FIRSTNAME, LASTNAME) VALUES (-2, 'emuster', 'Erika', 'Mustermann') [42102-197]
   at org.h2.message.DbException.getJdbcSQLException(DbException.java:357)
   at org.h2.message.DbException.get(DbException.java:179)
   at org.h2.message.DbException.get(DbException.java:155)
   at org.h2.command.Parser.readTableOrView(Parser.java:5920)
   at org.h2.command.Parser.readTableOrView(Parser.java:5897)
   at org.h2.command.Parser.parseInsert(Parser.java:1220)
   at org.h2.command.Pars

Daniel Pilsbacher

unread,
Jul 11, 2022, 12:20:28 PM7/11/22
to WildFly
I found the solution already. I deleted the content of my (Windows 11) variable %TEMP%. This solved my problem. This explains the H2 database ist cached in this folder. The schema might have been broken because of unknown reason. I can not reproduce this issue any more.

Daniel Pilsbacher

unread,
Jul 11, 2022, 1:49:21 PM7/11/22
to WildFly
I got this issue again when I was copying the "kitchensink" project and trying to rename and deploying it (which didn't work).
Now I could solve this in Eclipse with
  1. stop wildfly server
  2. undeploy project
  3. selecting "kitchensink" project
  4. Menu: Project > Clean
  5. selecting "kitchensink" project
  6. right click project > Maven > Update project ...
  7. Menu: Project > Build Project
  8. deploy to wildlfy server
  9. restart server
And I deleted all %TEMP% files too with admin user before.
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