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https://issues.apache.org/jira/browse/LANG-1337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bruno P. Kinoshita updated LANG-1337:
-------------------------------------
Summary: Fix test failures in IBM JDK 8 for ToStringBuilderTest (was: Fix
test failures in IBM JDK 8)
> Fix test failures in IBM JDK 8 for ToStringBuilderTest
> ------------------------------------------------------
>
> Key: LANG-1337
> URL: https://issues.apache.org/jira/browse/LANG-1337
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.*
> Affects Versions: 3.5
> Environment: java version "1.8.0"
> Java(TM) SE Runtime Environment (build pxa6480sr4fp6-20170518_02(SR4 FP6))
> IBM J9 VM (build 2.8, JRE 1.8.0 Linux amd64-64 Compressed References
> 20170516_348050 (JIT enabled, AOT enabled)
> J9VM - R28_20170516_1905_B348050
> JIT - tr.r14.java_20170516_348050
> GC - R28_20170516_1905_B348050_CMPRSS
> J9CL - 20170516_348050)
> JCL - 20170516_01 based on Oracle jdk8u131-b11
> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
> 2015-11-11T05:41:47+13:00)
> Maven home: /opt/maven
> Java version: 1.8.0, vendor: IBM Corporation
> Java home: /home/kinow/Development/java/ibm-java-x86_64-80/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.4.0-78-generic", arch: "amd64", family: "unix"
> git sha 551101299da7f75ea5478db1a6bc194963e0ac34
> Reporter: Bruno P. Kinoshita
> Assignee: Bruno P. Kinoshita
> Priority: Minor
> Labels: ibm, ibm-jdk, test
> Fix For: 3.6
>
>
> From the 3.6 thread RC2. We had issues in the release. Two tests failed. One
> of these tests happened on IBM JDK 8, and was related to time zones. Gary
> Gregory quickly pointed that the very latest IBM JDK 8 released did not had
> this issue.
> Indeed, I grabbed a JDK 8 from IBM and had this issue, and then after looking
> for the latest version, I had only one test failing. This test in question
> was ToStringBuilderTest#testReflectionHierarchyArrayList.
> Debugging the test in Eclipse, with the JDK pointing to IBM JDK 8 (and taking
> care to not let the Eclipse maven integration change it), there is a part of
> the code that receives an ArrayList object to create a String with reflection.
> In Oracle JDK 7, the object contains the default 10 empty positions, and thus
> the generated String is.
> {noformat}
> java.util.ArrayList@761a4a3d[elementData={<null>,<null>,<null>,<null>,<null>,<null>,<null>,<null>,<null>,<null>},size=0,modCount=0]
> {noformat}
> But with IBM JDK 8, the ArrayList is empty, nada, and then I get the
> following in the Eclipse debugger.
> {noformat}
> java.util.ArrayList@761a4a3d[elementData={},size=0,modCount=0]
> {noformat}
> The test is - as commented in LANG-727 - a bit flaky. However, the expected
> string assumes ArrayList will have an initial 10 null values. So the pull
> request in this issue simply creates an ArrayList with 10 initial capacity
> :-) a naïve approach, but that I believe fixes this test.
> The changes in the pull request linked to this issue have all tests passing
> with the following set-ups:
> {noformat}
> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
> 2015-11-11T05:41:47+13:00)
> Maven home: /opt/maven
> Java version: 1.7.0_80, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-7-oracle/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.4.0-78-generic", arch: "amd64", family: "unix"
> ---
> java version "1.7.0_80"
> Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
> Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)
> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
> 2015-11-11T05:41:47+13:00)
> Maven home: /opt/maven
> Java version: 1.8.0_131, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-8-oracle/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.4.0-78-generic", arch: "amd64", family: "unix"
> ---
> java version "1.8.0_131"
> Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
> Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)
> Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5;
> 2015-11-11T05:41:47+13:00)
> Maven home: /opt/maven
> Java version: 1.8.0, vendor: IBM Corporation
> Java home: /home/kinow/Development/java/ibm-java-x86_64-80/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.4.0-78-generic", arch: "amd64", family: "unix"
> ---
> java version "1.8.0"
> Java(TM) SE Runtime Environment (build pxa6480sr4fp6-20170518_02(SR4 FP6))
> IBM J9 VM (build 2.8, JRE 1.8.0 Linux amd64-64 Compressed References
> 20170516_348050 (JIT enabled, AOT enabled)
> J9VM - R28_20170516_1905_B348050
> JIT - tr.r14.java_20170516_348050
> GC - R28_20170516_1905_B348050_CMPRSS
> J9CL - 20170516_348050)
> JCL - 20170516_01 based on Oracle jdk8u131-b11
> {noformat}
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