David Capwell created CASSANDRA-17595:
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Summary: nodetool enablefullquerylog can NPE when directory has no
files
Key: CASSANDRA-17595
URL: https://issues.apache.org/jira/browse/CASSANDRA-17595
Project: Cassandra
Issue Type: Bug
Components: Tool/fql
Reporter: David Capwell
fqltool_test.py::TestFQLTool::test_unclean_enable found an issue with
org.apache.cassandra.utils.binlog.BinLog#deleteRecursively, it assumes listing
files returns empty list rather than null and throws a NPE
{code}
E -- StackTrace --
E java.lang.NullPointerException
E at
org.apache.cassandra.utils.binlog.BinLog.deleteRecursively(BinLog.java:490)
E at
org.apache.cassandra.utils.binlog.BinLog.cleanDirectory(BinLog.java:477)
E at
org.apache.cassandra.utils.binlog.BinLog$Builder.build(BinLog.java:436)
E at
org.apache.cassandra.fql.FullQueryLogger.enable(FullQueryLogger.java:106)
E at
org.apache.cassandra.service.StorageService.enableFullQueryLogger(StorageService.java:6495)
E at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
E at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
E at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
E at java.lang.reflect.Method.invoke(Method.java:498)
E at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:72)
E at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
E at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
E at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
E at java.lang.reflect.Method.invoke(Method.java:498)
E at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:276)
E at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:112)
E at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:46)
E at
com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)
E at
com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:138)
E at
com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:252)
E at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
E at
com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
E at
javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
E at
javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
E at
javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
E at
javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
E at
javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
{code}
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