Jenkins TestCompletePlugin failing after update to 2.4

Hi there,

We are currently updating our Jenkins Server and installed the latest TestCompletePlugin with Version 2.4

Sadly the Testruns keep failing now.

Our Jenkinsfile looks like this and was not changed

stage("Test Job") {
					checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: 'mylovelycreds', url: 'https://github.mylovelycompany.com/mylovelyproduct/testcomplete.git']]])
					sleep time: 10, unit: 'SECONDS'
					testcompletetest actionOnErrors: 'MAKE_FAILED', actionOnWarnings: 'MAKE_UNSTABLE', executorType: 'TE', generateMHT: true, launchType: 'lcProject', project: 'mylovelyproduct Server', suite: 'mylovelyproduct.pjs', useTCService: true, userName: 'mylovelyfakeusername', userPassword: 'mylovelyfakepassword', timeout: '10800', useTimeout: true
				}

In the Logs we noticed that the Parameters used for execution have changed.
TestCompletePlugin 2.2

[TestComplete] The test execution started (MyLovelyProduct/MyLovelyProduct Server).
[TestComplete] Found TestComplete/TestExecute installations:
	Type: TE, Version: 14.30.3743.11, Path: "C:\Program Files (x86)\SmartBear\TestExecute 14\x64\bin\TestExecute.exe"
[TestComplete] Selected TestComplete/TestExecute installation:
	Type: TE, Version: 14.30.3743.11, Path: "C:\Program Files (x86)\SmartBear\TestExecute 14\x64\bin\TestExecute.exe"
[TestComplete] Launching the test runner.

$ '"C:\Program Files (x86)\SmartBear\TestExecute 14\bin\TestCompleteService14.exe"' //LogonAndExecute //lDomain: "" //lName: "MyLovelyProduct" //lPassword: ******** //lTimeout: "10980000" //lUseActiveSession: "true" //lCommandLine: '""C:\Program Files (x86)\SmartBear\TestExecute 14\x64\bin\TestExecute.exe" "c:\ProgramData\Jenkins\workspace\Sandbox\TestComplete Scripted Pipeline\MyLovelyProduct.pjs" /run /SilentMode /ForceConversion /ns /exit "/ExportLog:c:\ProgramData\Jenkins\workspace\Sandbox\TestComplete Scripted Pipeline\1580133532072.tclogx" "/ExportLog:c:\ProgramData\Jenkins\workspace\Sandbox\TestComplete Scripted Pipeline\1580133532072.htmlx" "/ErrorLog:c:\ProgramData\Jenkins\workspace\Sandbox\TestComplete Scripted Pipeline\1580133532072.txt" "/ExportLog:c:\ProgramData\Jenkins\workspace\Sandbox\TestComplete Scripted Pipeline\1580133532072.mht" /Timeout:10800 "/project:MyLovelyProduct Server" /DoNotShowLog /JenkinsTCPluginVersion:2.2"'
[TestComplete] Test runner exit code: 2.
[TestComplete] [WARNING] Error: The property checkpoint failed, because Text does not contain the substring (case-sensitive) "not important". See Details for additional information..
[TestComplete] [WARNING] Errors occurred during the test execution.
[TestComplete] Marking the build as FAILED.
[TestComplete] The test execution finished (MyLovelyProduct/MyLovelyProduct Server).

TestCompletePlugin 2.4

[TestComplete] The test execution started (MyLovelyProduct/MyLovelyProduct Stargate).
[TestComplete] Found TestComplete/TestExecute installations:
	Type: TE, Version: 14.30.3743.11, Path: "C:\Program Files (x86)\SmartBear\TestExecute 14\x64\bin\TestExecute.exe"
[TestComplete] Selected TestComplete/TestExecute installation:
	Type: TE, Version: 14.30.3743.11, Path: "C:\Program Files (x86)\SmartBear\TestExecute 14\x64\bin\TestExecute.exe"
[TestComplete] [WARNING] The node is connected via Java Web Start (JNLP). In this mode, the "Run interactive user session" property of the TestComplete Test step is ignored. TestComplete (or TestExecute) will work in the current user session.
[TestComplete] Launching the test runner.

$ "null\SessionCreator.exe" ExecuteProcess '/c:""C:\Program Files (x86)\SmartBear\TestExecute 14\x64\bin\TestExecute.exe"" ""c:\ProgramData\Jenkins\workspace\MyLovelyProduct QA\Yoda TestComplete\MyLovelyProduct.pjs"" /run /SilentMode /ForceConversion /ns /exit ""/ExportLog:c:\ProgramData\Jenkins\workspace\MyLovelyProduct QA\Yoda TestComplete\1580394292201.tclogx"" ""/ExportLog:c:\ProgramData\Jenkins\workspace\MyLovelyProduct QA\Yoda TestComplete\1580394292201.htmlx"" ""/ErrorLog:c:\ProgramData\Jenkins\workspace\MyLovelyProduct QA\Yoda TestComplete\1580394292201.txt"" ""/ExportLog:c:\ProgramData\Jenkins\workspace\MyLovelyProduct QA\Yoda TestComplete\1580394292201.mht"" /Timeout:1800 ""/project:MyLovelyProduct Stargate"" /DoNotShowLog /JenkinsTCPluginVersion:2.4'
[TestComplete] [ERROR] An exception occurred:
java.io.IOException: CreateProcess error=2, The system cannot find the file specified.
[TestComplete] Marking the build as FAILED.
[TestComplete] [WARNING] Unable to publish test results (xml data is empty).
[TestComplete] The test execution finished (MyLovelyProduct/MyLovelyProduct Stargate).

Fun thing is, in TCPlugin 2.4 the Log shows a warning that we use Java Web Start, however we disconntinued using it since the new Jenkins Server does not support Javaws with OpenJDK11.

You can even see, that the execution Line looks quite different now and it is using some "SessionCreate.exe"

Does someone have an idea how to get the system running again?

Cheers,

Constantin