IllegalAcessException when creating a Block object via WritableFactories
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Key: HADOOP-217
URL: http://issues.apache.org/jira/browse/HADOOP-217
Project: Hadoop
Type: Bug
Components: dfs
Versions: 0.3
Reporter: Hairong Kuang
Assigned to: Hairong Kuang
Fix For: 0.3
Attachments: access.patch
When I ran the dfs namenode, I received an error message listed below. Changing
Block class to be public will be able to fix the problem.
java.lang.RuntimeException: java.lang.IllegalAccessException: Class
org.apache.hadoop.io.WritableFactories can not access a member of class
org.apache.hadoop.dfs.Block with modifiers "public"
java.lang.RuntimeException: java.lang.IllegalAccessException: Class
org.apache.hadoop.io.WritableFactories can not access a member of class
org.apache.hadoop.dfs.Block with modifiers "public"
at
org.apache.hadoop.io.WritableFactories.newInstance(WritableFactories.java:49)
at
org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:226)
at
org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:163)
at
org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:211)
at org.apache.hadoop.ipc.RPC$Invocation.readFields(RPC.java:88)
at org.apache.hadoop.ipc.Server$Connection.run(Server.java:154)
Caused by: java.lang.IllegalAccessException: Class
org.apache.hadoop.io.WritableFactories can not access a member of class
org.apache.hadoop.dfs.Block with modifiers "public"
at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
at java.lang.Class.newInstance0(Class.java:344)
at java.lang.Class.newInstance(Class.java:303)
at
org.apache.hadoop.io.WritableFactories.newInstance(WritableFactories.java:45)
... 5 more
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