missing class com.thoughtworks.xstream.converters.ConversionException (kg.apc.jmeter.control.sampler.SetVariablesAction)

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Natallia Savelyeva

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Jul 31, 2018, 10:36:40 AM7/31/18

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Hi, maybe someone can help me with the following issue, thanks in advance.

I have installed Taurus with "pip install http://gettaurus.org/snapshots/bzt-1.12.0.10091.tar.gz" and run a simple YAML (content highlighted in blue) inside alpine 3.7 container.

Unfortunately, I am getting the error "missing class com.thoughtworks.xstream.converters.ConversionException" due to missing plugin (path: /jmeterTestPlan/hashTree/hashTree/hashTree/kg.apc.jmeter.control.sampler.SetVariablesAction)

After googling for similar issues, I tried to install standard plugin (jmeter-plugins-standard-1.4.0.jar) and put the jar-file into apache-jmeter-4.0/lib/ext folder, but still no luck.

execution:

- concurrency: 10

ramp-up: 2s

hold-for: 30s

scenario: simple

scenarios:

simple:

variables:

mypaths: ["path1", "path2"]

requests:

- set-variables:

mypath: ${__javaScript(${mypaths}[Math.floor(Math.random()*${mypaths}.length)])}

- url: http://localhost:8080/${mypath}

label: mypathtask

method: POST

body: '{"mypath": "${mypath}"}'

modules:

jmeter:

path: /apache-jmeter-4.0/bin/jmeter

The full output I am getting is the following:

# bzt draft.yml

14:10:12 INFO: Taurus CLI Tool v1.12.0.10091

14:10:12 INFO: Starting with configs: ['draft.yml']

14:10:12 INFO: Configuring...

14:10:12 INFO: Artifacts dir: /home/gofer/2018-07-31_14-10-12.573905

14:10:12 INFO: Preparing...

14:10:12 WARNING: There is newer version of Taurus 1.12.1 available, consider upgrading. What's new: http://gettaurus.org/docs/Changelog/

14:10:13 WARNING: Thread group detection: plugin for ConcurrentThreadGroup not found, regular ThreadGroup will be used

14:10:13 WARNING: Failed to detect plugins for /home/gofer/2018-07-31_14-10-12.573905/modified_requests.jmx: [Errno 2] No such file or directory: '/apache-jmeter-4.0/bin/PluginsManagerCMD.sh': '/apache-jmeter-4.0/bin/PluginsManagerCMD.sh'

14:10:13 INFO: Starting...

14:10:13 INFO: Waiting for results...

14:10:13 INFO: Waiting for finish...

14:10:14 WARNING: Please wait for graceful shutdown...

14:10:14 INFO: Shutting down...

14:10:14 INFO: Post-processing...

14:10:14 INFO: Test duration: 0:00:01

14:10:14 ERROR: Child Process Error: Empty results, most likely simple (JMeterExecutor) failed. Actual reason for this can be found in logs under /home/gofer/2018-07-31_14-10-12.573905

JMeter STDOUT:

Error in NonGUIDriver java.lang.IllegalArgumentException: Problem loading XML from:'/home/gofer/2018-07-31_14-10-12.573905/modified_requests.jmx', missing class com.thoughtworks.xstream.converters.ConversionException:

---- Debugging information ----

cause-exception : com.thoughtworks.xstream.converters.ConversionException

cause-message :

first-jmeter-class : org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67)

class : org.apache.jmeter.save.ScriptWrapper

required-type : org.apache.jorphan.collections.ListedHashTree

converter-type : org.apache.jmeter.save.ScriptWrapperConverter

path : /jmeterTestPlan/hashTree/hashTree/hashTree/kg.apc.jmeter.control.sampler.SetVariablesAction

line number : 32

version : 4.0 r1823414

-------------------------------

JMeter log:

2018-07-31 14:10:14,454 ERROR o.a.j.JMeter: Error in NonGUIDriver

java.lang.IllegalArgumentException: Problem loading XML from:'/home/gofer/2018-07-31_14-10-12.573905/modified_requests.jmx', missing class com.thoughtworks.xstream.converters.ConversionException:

---- Debugging information ----

cause-exception : com.thoughtworks.xstream.converters.ConversionException

cause-message :

first-jmeter-class : org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67)

class : org.apache.jmeter.save.ScriptWrapper

required-type : org.apache.jorphan.collections.ListedHashTree

converter-type : org.apache.jmeter.save.ScriptWrapperConverter

path : /jmeterTestPlan/hashTree/hashTree/hashTree/kg.apc.jmeter.control.sampler.SetVariablesAction

line number : 32

version : 4.0 r1823414

-------------------------------

at org.apache.jmeter.save.SaveService.readTree(SaveService.java:457) ~[ApacheJMeter_core.jar:4.0 r1823414]

at org.apache.jmeter.save.SaveService.loadTree(SaveService.java:425) ~[ApacheJMeter_core.jar:4.0 r1823414]

at org.apache.jmeter.JMeter.runNonGui(JMeter.java:928) [ApacheJMeter_core.jar:4.0 r1823414]

at org.apache.jmeter.JMeter.startNonGui(JMeter.java:915) [ApacheJMeter_core.jar:4.0 r1823414]

at org.apache.jmeter.JMeter.start(JMeter.java:543) [ApacheJMeter_core.jar:4.0 r1823414]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_171]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_171]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_171]

at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_171]

at org.apache.jmeter.NewDriver.main(NewDriver.java:245) [ApacheJMeter.jar:4.0 r1823414]

Caused by: com.thoughtworks.xstream.converters.ConversionException:

---- Debugging information ----

cause-exception : com.thoughtworks.xstream.converters.ConversionException

cause-message :

first-jmeter-class : org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67)

class : org.apache.jmeter.save.ScriptWrapper

required-type : org.apache.jorphan.collections.ListedHashTree

converter-type : org.apache.jmeter.save.ScriptWrapperConverter

path : /jmeterTestPlan/hashTree/hashTree/hashTree/kg.apc.jmeter.control.sampler.SetVariablesAction

line number : 32

version : 4.0 r1823414

-------------------------------

at org.apache.jmeter.save.ScriptWrapperConverter.createConversionException(ScriptWrapperConverter.java:102) ~[ApacheJMeter_core.jar:4.0 r1823414]

at org.apache.jmeter.save.ScriptWrapperConverter.unmarshal(ScriptWrapperConverter.java:96) ~[ApacheJMeter_core.jar:4.0 r1823414]

at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:70) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1486) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1466) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1337) ~[xstream-1.4.10.jar:1.4.10]

at org.apache.jmeter.save.SaveService.readTree(SaveService.java:442) ~[ApacheJMeter_core.jar:4.0 r1823414]

... 9 more

Caused by: com.thoughtworks.xstream.converters.ConversionException:

---- Debugging information ----

cause-exception : com.thoughtworks.xstream.mapper.CannotResolveClassException

cause-message : kg.apc.jmeter.control.sampler.SetVariablesAction

class : org.apache.jorphan.collections.ListedHashTree

required-type : org.apache.jorphan.collections.ListedHashTree

converter-type : org.apache.jmeter.save.converters.HashTreeConverter

path : /jmeterTestPlan/hashTree/hashTree/hashTree/kg.apc.jmeter.control.sampler.SetVariablesAction

line number : 32

-------------------------------

at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:79) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:70) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) ~[xstream-1.4.10.jar:1.4.10]

at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:73) ~[xstream-1.4.10.jar:1.4.10]

at org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67) ~[ApacheJMeter_core.jar:4.0 r1823414]