[jira] [Created] (CASSANDRA-15929) Startup fails with NoClassDefFoundError after CASSANDRA-15884

["David Capwell (Jira)" <ji...@apache.org>]

David Capwell created CASSANDRA-15929:
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             Summary: Startup fails with NoClassDefFoundError after CASSANDRA-15884
                 Key: CASSANDRA-15929
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15929
             Project: Cassandra
          Issue Type: Bug
          Components: Local/Startup and Shutdown
            Reporter: David Capwell
            Assignee: David Capwell


CASSANDRA-15884 added logic to detect if the native lib of lz4 was properly loaded and to log a warning if this was not the case, it seems that the catch for this didn’t handle the class loading issue that also happens in this case.

ERROR [main] 2020-07-07 22:49:32,560 CassandraDaemon.java:800 - Exception encountered during startup
java.lang.NoClassDefFoundError: Could not initialize class net.jpountz.lz4.LZ4JNI
       at net.jpountz.lz4.LZ4JNICompressor.compress(LZ4JNICompressor.java:36)
       at net.jpountz.lz4.LZ4Factory.<init>(LZ4Factory.java:207)
       at net.jpountz.lz4.LZ4Factory.instance(LZ4Factory.java:51)
       at net.jpountz.lz4.LZ4Factory.nativeInstance(LZ4Factory.java:91)
       at org.apache.cassandra.service.StartupChecks.lambda$static$0(StartupChecks.java:149)
       at org.apache.cassandra.service.StartupChecks.verify(StartupChecks.java:127)
       at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:211)
       at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:661)
       at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:778)

After patching, the following is the behavior

WARN  [main] 2020-07-07 22:50:45,018 StartupChecks.java:153 - lz4-java was unable to load native libraries; this will lower the performance of lz4 (network/sstables/etc.): Could not initialize class net.jpountz.lz4.LZ4JNI



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