[jboss-jira] [JBoss JIRA] (ELY-1293) System.currentTimeMillis() cannot be mocked on IBM JDK

[Peter Palaga (JIRA)]

    [ https://issues.jboss.org/browse/ELY-1293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438662#comment-13438662 ] 

Peter Palaga commented on ELY-1293:
-----------------------------------

Now that the PR https://github.com/wildfly-security/wildfly-elytron/pull/917 was merged, I moved the unsolved part with {{GssapiCompatibilitySuiteChild}} to a new issue ELY-1298

> System.currentTimeMillis() cannot be mocked on IBM JDK
> ------------------------------------------------------
>
>                 Key: ELY-1293
>                 URL: https://issues.jboss.org/browse/ELY-1293
>             Project: WildFly Elytron
>          Issue Type: Bug
>            Reporter: Peter Palaga
>            Assignee: Peter Palaga
>
> {{System.currentTimeMillis()}} is native in IBM JDK and at the same time, IBM JDK does not support  java.lang.instrument API for native methods. Therefore, {{System.currentTimeMillis()}} cannot be mocked on IBM JDK using jmockit.
> {code}
> export JAVA_HOME=path/to/ibm/java8
> $JAVA_HOME/bin/java -version
> java version "1.8.0"
> Java(TM) SE Runtime Environment (build pxa6480sr3fp12-20160919_01(SR3 FP12))
> IBM J9 VM (build 2.8, JRE 1.8.0 Linux amd64-64 Compressed References 20160915_318796 (JIT enabled, AOT enabled)
> J9VM - R28_Java8_SR3_20160915_0912_B318796
> JIT  - tr.r14.java.green_20160818_122998
> GC   - R28_Java8_SR3_20160915_0912_B318796_CMPRSS
> J9CL - 20160915_318796)
> JCL - 20160914_01 based on Oracle jdk8u101-b13
> mvn clean test 
> {code}
> Expected: the tests mocking {{System.currentTimeMillis()}} should pass
> Actual: the tests mocking {{System.currentTimeMillis()}} throw the following exception or similar:
> {code}
> java.lang.UnsupportedOperationException: class redefinition failed: attempted to change method modifiers
> 	at org.wildfly.security.audit.PeriodicRotatingFileAuditEndpointTest$1.<init>(PeriodicRotatingFileAuditEndpointTest.java:212)
> 	at org.wildfly.security.audit.PeriodicRotatingFileAuditEndpointTest.mockTime(PeriodicRotatingFileAuditEndpointTest.java:212)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at java.lang.reflect.Method.invoke(Method.java:508)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:367)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:274)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> 	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:161)
> 	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:290)
> 	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:242)
> 	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121)
> {code}
> This is the case with 
> * PeriodicRotatingFileAuditEndpointTest
> * SizeRotatingFileAuditEndpointTest
> * GssapiCompatibilitySuiteChild



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