Carter Shanklin created PHOENIX-1294:
----------------------------------------
Summary: Provide rollback capability
Key: PHOENIX-1294
URL: https://issues.apache.org/jira/browse/PHOENIX-1294
Project: Phoenix
Issue Type: Bug
Affects Versions: 4.2
Reporter: Carter Shanklin
I was having trouble with 4.2 causing my regionservers to abort (somthing to do
with the stats table) so I decided to revert to 4.1. This proved difficult
since 4.1 did not have certain classes that were required by the system tables
Phoenix creates:
{code}
2014-09-25 11:30:44,147 ERROR [RS_OPEN_REGION-sandbox:60020-1]
coprocessor.CoprocessorHost: The coprocessor
org.apache.phoenix.schema.stat.StatisticsCollector threw an unexpected exception
java.io.IOException: No jar path specified for
org.apache.phoenix.schema.stat.StatisticsCollector
at
org.apache.hadoop.hbase.coprocessor.CoprocessorHost.load(CoprocessorHost.java:177)
at
org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.loadTableCoprocessors(RegionCoprocessorHost.java:207)
at
org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.<init>(RegionCoprocessorHost.java:163)
at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:555)
at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:462)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
org.apache.hadoop.hbase.regionserver.HRegion.newHRegion(HRegion.java:4119)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4430)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4403)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4359)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4310)
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:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
{code}
This caused the regionservers to abort so I couldn't drop or modify the table.
So then I got rid of any and all Phoenix JARs from the HBase classpath and this:
{code}
2014-09-25 09:12:33,791 ERROR [RS_OPEN_REGION-sandbox:60020-0]
coprocessor.CoprocessorHost: The coprocessor
org.apache.phoenix.coprocessor.MetaDataRegionObserver threw an unexpected
exception
java.io.IOException: No jar path specified for
org.apache.phoenix.coprocessor.MetaDataRegionObserver
at
org.apache.hadoop.hbase.coprocessor.CoprocessorHost.load(CoprocessorHost.java:177)
at
org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.loadTableCoprocessors(RegionCoprocessorHost.java:207)
at
org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.<init>(RegionCoprocessorHost.java:163)
at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:555)
at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:462)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
org.apache.hadoop.hbase.regionserver.HRegion.newHRegion(HRegion.java:4119)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4430)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4403)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4359)
at
org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4310)
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:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
{code}
At this point I'm planning to delete all my HBase data to work around the
issue. No loss there wasn't any real data in there.
But it would be good if rolling back was easier.
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