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https://issues.apache.org/jira/browse/CASSANDRA-7573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Shuler resolved CASSANDRA-7573.
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Resolution: Not a Problem
Thanks for testing out IBM's JVM. We recommend Oracle's and that's where most
testing is done, along with some OpenJDK testing.
Looking at your lz4 bug report, this really doesn't look like a Cassandra bug.
> Cassandra 2.0.9 with IBM Java 7 crashes during start up
> -------------------------------------------------------
>
> Key: CASSANDRA-7573
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7573
> Project: Cassandra
> Issue Type: Bug
> Environment: *Operating system: Linux AMD64, Red Hat Enterprise Linux
> Workstation
> release 6.5 (Santiago) 2.6.32-431.21.1.el6.x86_64
> *JDK full version: pxa6470_27sr1-20140411_01(SR1) and
> pxa6470sr7-20140410_01(SR7)
> java version "1.7.0"
> Java(TM) SE Runtime Environment (build pxa6470_27sr1-20140411_01(SR1))
> IBM J9 VM (build 2.7, JRE 1.7.0 Linux amd64-64 Compressed References
> 20140410_195893 (JIT enabled, AOT enabled)
> J9VM - R27_Java727_SR1_20140410_1931_B195893
> JIT - tr.r13.java_20140410_61421
> GC - R27_Java727_SR1_20140410_1931_B195893_CMPRSS
> J9CL - 20140410_195893)
> JCL - 20140409_01 based on Oracle 7u55-b13
> Reporter: Jason Plurad
>
> Cassandra crashes during start up when using IBM Java 7 and generates a core
> dump.
> A workaround is to avoid the JNI native compressor by changing
> LZ4Factory.fastestInstance() to LZ4Factory.fastestJavaInstance() in
> src/java/org/apache/cassandra/transport/FrameCompressor.java and
> src/java/org/apache/cassandra/io/compress/LZ4Compressor.java
> I opened up an issue against lz4-java also at
> https://github.com/jpountz/lz4-java/issues/42
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