[infinispan-issues] [JBoss JIRA] Created: (ISPN-324) Cache.clear() raises a NPE if CahceMode is DIST_SYNC and NumOwners is set to 1
Cache.clear() raises a NPE if CahceMode is DIST_SYNC and NumOwners is set to 1
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Key: ISPN-324
URL: https://jira.jboss.org/jira/browse/ISPN-324
Project: Infinispan
Issue Type: Bug
Affects Versions: 4.0.0.CR3
Reporter: Marco Ferrante
Assignee: Manik Surtani
Priority: Minor
This fragment:
GlobalConfiguration gc = GlobalConfiguration.getClusteredDefault();
Configuration config = new Configuration();
config.setCacheMode(Configuration.CacheMode.DIST_SYNC);
config.setNumOwners(1); // no redundancy
CacheManager cacheManager = new DefaultCacheManager(gc, config);
Cache cache = cacheManager.getCache();
cache.put("key", "value");
cache.clear();
assert cache.isEmpty();
raises a NullPointerException at cache.clear() invokation.
It works correctly both using other cache modes (LOCAL, REPL and INVALIDATION) or avoiding
to set config.setNumOwners to 1.
The stacktrace is:
java.lang.NullPointerException
at
org.infinispan.interceptors.DistributionInterceptor.isSingleOwnerAndLocal(DistributionInterceptor.java:317)
at
org.infinispan.interceptors.DistributionInterceptor.handleWriteCommand(DistributionInterceptor.java:276)
at
org.infinispan.interceptors.DistributionInterceptor.visitClearCommand(DistributionInterceptor.java:180)
at org.infinispan.commands.write.ClearCommand.acceptVisitor(ClearCommand.java:58)
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
at
org.infinispan.interceptors.LockingInterceptor.visitClearCommand(LockingInterceptor.java:169)
at org.infinispan.commands.write.ClearCommand.acceptVisitor(ClearCommand.java:58)
at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
at
org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:132)
....
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