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From "Ivan Sobolev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-4780) Not informative error reporting when calling getNaturalEndpoints for a CF without key_validation_class
Date Tue, 09 Oct 2012 11:48:02 GMT
Ivan Sobolev created CASSANDRA-4780:
---------------------------------------

             Summary: Not informative error reporting when calling getNaturalEndpoints for
a CF without key_validation_class
                 Key: CASSANDRA-4780
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4780
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.1.5
            Reporter: Ivan Sobolev
            Priority: Minor


While trying to call getNaturalEndpoints(String,String,String) via jmx, got the following:
{code}Problem invoking getNaturalEndpoints: java.rmi.UnmarshalException: Error unmarshaling
return; nested exception is: java.lang.ClassNotFoundException: org.apache.cassandra.db.marshal.MarshalException
(no security manager: RMI class loader disabled){code}

Googling suggested to try out different classpath mysteries[1]

Doing that from the nodetool was a bit more informative though:
{code}Exception in thread "main" org.apache.cassandra.db.marshal.MarshalException: cannot
parse '28589689-0bf0-9ebf-e405-d8f1d798cd7d' as hex bytes
        at org.apache.cassandra.db.marshal.BytesType.fromString(BytesType.java:74)
        at org.apache.cassandra.service.StorageService.getNaturalEndpoints(StorageService.java:2131)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:93)
        at com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:27)
        at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208)
        at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120)
        at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262)
        at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
        at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
        at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427)
        at javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72)
        at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265)
        at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360)
        at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788)
        at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:303)
        at sun.rmi.transport.Transport$1.run(Transport.java:159)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NumberFormatException: Non-hex characters in 28589689-0bf0-9ebf-e405-d8f1d798cd7d
        at org.apache.cassandra.utils.Hex.hexToBytes(Hex.java:60)
        at org.apache.cassandra.db.marshal.BytesType.fromString(BytesType.java:70)
{code}

{code}
update column family xxx with key_validation_class=UTF8Type;{code}

Goals of the ticket:
* Ensure that message from exception will properly pop up to the JMX client
* Guys googling the same problem will have a direction

___________________________________________________________
[1] forum.springsource.org/showthread.php?25937-RMI-class-loader-disabled



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