Why I am getting java.lang.AbstractMethodError errors?

java thrift
Avinash picture Avinash · Jul 31, 2013 · Viewed 87.3k times · Source

What are the possible causes for ABstractMethodError?

Exception in thread "pool-1-thread-1" java.lang.AbstractMethodError: 

org.apache.thrift.ProcessFunction.isOneway()Z
    at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:51)
    at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
    at com.gemfire.gemstone.thrift.hbase.ThreadPoolServer$ClientConnnection.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:662)

Answer

Evgeniy Dorofeev picture Evgeniy Dorofeev · Jul 31, 2013

It usually means that you are using an old version of an interface implementation which is missing a new interface method. For example java.sql.Connection interface got a new getSchema method in 1.7. If you have 1.6 JDBC driver and call Connection.getSchema you will get AbstractMethodError.

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