Intermittent code coverage generation failure in java 8

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Manuri Amaya Perera

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Oct 30, 2015, 5:23:33 AM10/30/15
to JaCoCo and EclEmma Users

Hi,

I am using jacoco version 0.7.4.201502262128. In java 8, intermittently code coverage generation fails. 

INFO  [org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager] - Generating Jacoco code coverage...
INFO  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils] - Loading execution data file /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco1446060231304.exec
INFO  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils] - Loading execution data file /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco1446060190621.exec
INFO  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils] - Loading execution data file /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco1446060097966.exec
WARN  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils] - Execution data is empty skipping coverage generation
ERROR [org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager] - Failed to generate code coverage 
java.io.FileNotFoundException: /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco-data-merge.exec (No such file or directory)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at org.jacoco.core.tools.ExecFileLoader.load(ExecFileLoader.java:71)
        at org.wso2.carbon.automation.engine.frameworkutils.ReportGenerator.loadExecutionData(ReportGenerator.java:138)
        at org.wso2.carbon.automation.engine.frameworkutils.ReportGenerator.create(ReportGenerator.java:73)
        at org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager.generateCoverageReport(CarbonServerManager.java:285)
        at org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager.serverShutdown(CarbonServerManager.java:260)
        at org.wso2.carbon.automation.extensions.servers.carbonserver.TestServerManager.stopServer(TestServerManager.java:140)
        at org.wso2.carbon.automation.extensions.servers.carbonserver.MultipleServersManager.stopAllServers(MultipleServersManager.java:73)
        at org.wso2.carbon.integration.tests.integration.MultipleCarbonInstancesTestCase.testStopServers(MultipleCarbonInstancesTestCase.java:60)
        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:497)
        at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
        at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:525)
        at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:202)
        at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:130)
        at org.testng.internal.Invoker.invokeAfterGroupsConfigurations(Invoker.java:941)
        at org.testng.internal.Invoker.invokeMethod(Invoker.java:762)
        at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:842)
        at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1166)
        at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)
        at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)
        at org.testng.TestRunner.runWorkers(TestRunner.java:1178)
        at org.testng.TestRunner.privateRun(TestRunner.java:757)
        at org.testng.TestRunner.run(TestRunner.java:608)
        at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
        at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
        at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
        at org.testng.SuiteRunner.run(SuiteRunner.java:240)
        at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
        at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
        at org.testng.TestNG.runSuitesSequentially(TestNG.java:1158)
        at org.testng.TestNG.runSuitesLocally(TestNG.java:1083)
        at org.testng.TestNG.run(TestNG.java:999)
        at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:295)
        at org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:84)
        at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:90)
        at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
        at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
        at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)


Even though it has been said in the log that the dump files are empty, all the files are present and non-empty including jacoco-data-merge.exec

Please find the full log here[1].

Does anybody know the reason behind this or if this has something to do with jdk 8 and the used jacoco version.




Thank you.

Marc R. Hoffmann

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Nov 2, 2015, 7:39:03 AM11/2/15
to jac...@googlegroups.com
Hi,

not sure why the file cannot be read at that point in time. Internally a java.io.FileInputStream is unsuccessfully opened -- as you can see from the stack trace.

I can't tell why the the file is not created. From the logfile some custom tool around JaCoCo is used here, e.g. 
    org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager
Please report the problem to the maintainer of this tooling.

Regards,
-marc


On 30.10.15 10:23, Manuri Amaya Perera wrote:

Hi,

I am using jacoco version 0.7.4.201502262128. In java 8, intermittently code coverage generation fails. 

INFO  [org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager] - Generating Jacoco code coverage...
INFO  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils]
- Loading execution data file /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco1446060231304.exec INFO  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils] - Loading execution data file /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco1446060190621.exec INFO  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils] - Loading execution data file /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco1446060097966.exec WARN  [org.wso2.carbon.automation.engine.frameworkutils.CodeCoverageUtils] - Execution data is empty skipping coverage generation ERROR [org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager] - Failed to generate code coverage java.io.FileNotFoundException: /build/jenkins-home/workspace/carbon4-kernel__java8/distribution/integration/tests-integration/tests/target/jacoco/jacoco-data-merge.exec (No such file or directory)         at java.io.FileInputStream.open0(Native Method)         at java.io.FileInputStream.open(FileInputStream.java:195)         at java.io.FileInputStream.<init>(FileInputStream.java:138)         at org.jacoco.core.tools.ExecFileLoader.load(ExecFileLoader.java: 71)         at org.wso2.carbon.automation.engine.frameworkutils.ReportGenerator.loadExecutionData(ReportGenerator.java:138)         at org.wso2.carbon.automation.engine.frameworkutils.ReportGenerator.create(ReportGenerator.java:73)         at org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager.generateCoverageReport(CarbonServerManager.java:285)         at org.wso2.carbon.automation.extensions.servers.carbonserver.CarbonServerManager.serverShutdown(CarbonServerManager.java:260)         at org.wso2.carbon.automation.extensions.servers.carbonserver.TestServerManager.stopServer(TestServerManager.java:140)         at org.wso2.carbon.automation.extensions.servers.carbonserver.MultipleServersManager.stopAllServers(MultipleServersManager.java:73)         at org.wso2.carbon.integration.tests.integration.MultipleCarbonInstancesTestCase.testStopServers(MultipleCarbonInstancesTestCase.java:60)         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:497)         at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)         at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:525)         at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:202)         at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:130)         at org.testng.internal.Invoker.invokeAfterGroupsConfigurations(Invoker.java:941)         at org.testng.internal.Invoker.invokeMethod(Invoker.java:762)         at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:842)         at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1166)         at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125)         at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109)         at org.testng.TestRunner.runWorkers(TestRunner.java:1178)         at org.testng.TestRunner.privateRun(TestRunner.java:757)         at org.testng.TestRunner.run(TestRunner.java:608)         at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)         at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)         at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)         at org.testng.SuiteRunner.run(SuiteRunner.java:240)         at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)         at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)         at org.testng.TestNG.runSuitesSequentially(TestNG.java:1158)         at org.testng.TestNG.runSuitesLocally(TestNG.java:1083)         at org.testng.TestNG.run(TestNG.java:999)         at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:295)         at org.apache.maven.surefire.testng.TestNGXmlTestSuite.execute(TestNGXmlTestSuite.java:84)         at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider .java:90)         at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)         at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)         at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)


Even though it has been said in the log that the dump files are empty, all the files are present and non-empty including jacoco-data-merge.exec

Please find the full log here[1].

Does anybody know the reason behind this or if this has something to do with jdk 8 and the used jacoco version.




Thank you.
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