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https://issues.apache.org/jira/browse/EAGLE-520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15944843#comment-15944843
]
ASF GitHub Bot commented on EAGLE-520:
--------------------------------------
Github user linzhonghong commented on the issue:
https://github.com/apache/eagle/pull/417
@haoch hi, i find the coprocessor exception here:
https://issues.apache.org/jira/browse/EAGLE-520
i view all commits in this PR, but i cant not find which commit is to fix
it?
how can i fix this exception? thanks!
```java
ABORTING region server sandbox.hortonworks.com,60020,1473225565436: The
coprocessor
org.apache.eagle.storage.hbase.query.coprocessor.AggregateProtocolEndPoint
threw an unexpected exception
Cause:
java.lang.LinkageError: loader constraint violation in interface itable
initialization: when resolving method
"org.apache.eagle.storage.hbase.query.coprocessor.AggregateProtocolEndPoint.getService()Lcom/google/protobuf/Service;"
the class loader (instance of
org/apache/hadoop/hbase/util/CoprocessorClassLoader) of the current class,
org/apache/eagle/storage/hbase/query/coprocessor/AggregateProtocolEndPoint, and
the class loader (instance of sun/misc/Launcher$AppClassLoader) for interface
org/apache/hadoop/hbase/coprocessor/CoprocessorService have different Class
objects for the type com/google/protobuf/Service used in the signature
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
at java.lang.Class.getConstructor0(Class.java:3075)
at java.lang.Class.newInstance(Class.java:412)
at
org.apache.hadoop.hbase.coprocessor.CoprocessorHost.loadInstance(CoprocessorHost.java:247)
at
org.apache.hadoop.hbase.coprocessor.CoprocessorHost.load(CoprocessorHost.java:210)
at
org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.loadTableCoprocessors(RegionCoprocessorHost.java:301)
at
org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.<init>(RegionCoprocessorHost.java:200)
at
org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:701)
at
org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:608)
at sun.reflect.GeneratedConstructorAccessor70.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
org.apache.hadoop.hbase.regionserver.HRegion.newHRegion(HRegion.java:5438)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:5749)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:5722)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:5678)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:5629)
at
org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:465)
at
org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:139)
at
org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
```
> Decouple Co-processor with Eagle Aggreation Query Service
> ---------------------------------------------------------
>
> Key: EAGLE-520
> URL: https://issues.apache.org/jira/browse/EAGLE-520
> Project: Eagle
> Issue Type: Improvement
> Affects Versions: v0.4.0
> Reporter: Hao Chen
> Assignee: Hao Chen
> Fix For: v0.5.0
>
>
> h2. Done
> * Fix AggregateResultCallback test case
> * Fix configuration and Unit test on hbase
> * Support GenericInMemoryAggregateQuery when coprocessor is not enabled and
> faster-xml as default json library
> * Fix unit test: TestGenericServiceAPIResponseEntity
> * Fix coprocessor-based aggregation query.
> * Add Coprocessor integration test: CoprocessorITSuite
> * Add coprocessor tool:
> {code}
> usage: java org.apache.eagle.storage.hbase.tools.CoprocessorTool
> [--register/--unregister] [OPTIONS]
> -config <arg> Configuration file
> -jar <arg> Coprocessor target jar path
> -localJar <arg> Coprocessor local source jar path
> -register Register coprocessor
> -table <arg> HBase table name, separated with comma, for example,
> table1,table2,..
> -unregister Unregister coprocessor
> {code}
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