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From Xiaofeng Lin <xfg...@gmail.com>
Subject running resync filestore recipe
Date Tue, 25 Mar 2014 06:39:01 GMT
Hello,

I’m new to Helix and trying to get a taste of running some examples.  The closest model
(to what I need) is the resync filestore recipe example.

The instructions look simple enough:

git clone https://git-wip-us.apache.org/repos/asf/incubator-helix.git
cd recipes/rsync-replicated-file-system/
mvn clean install package -DskipTests
cd target/rsync-replicated-file-system-pkg/bin
chmod +x *
./quickdemo

However, I don’t think what I’ve got was a successful run. Besides the exceptions, the
program hung there until I hit Ctrl-C.  are there anythings I missed?  What else do I need
to get this recipe example to work?

BTW, I’m running on Mac OS X 10.9.2.

./quickdemo.sh
STARTING NODES
localhost_12002 transitioning from OFFLINE to SLAVE for repository_0
localhost_12003 transitioning from OFFLINE to SLAVE for repository_0
No master found
localhost_12003 transitioned from OFFLINE to SLAVE for repository_0
localhost_12001 transitioning from OFFLINE to SLAVE for repository_0
No master found
localhost_12001 transitioned from OFFLINE to SLAVE for repository_0
No master found
localhost_12002 transitioned from OFFLINE to SLAVE for repository_0
No master found
No master found
No master found
localhost_12001 transitioning from SLAVE to MASTER for repository_0
0    [pool-7-thread-2] ERROR org.apache.helix.messaging.handling.HelixStateTransitionHandler
 - Exception while executing a state transition task repository_0
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.helix.messaging.handling.HelixStateTransitionHandler.invoke(HelixStateTransitionHandler.java:350)
	at org.apache.helix.messaging.handling.HelixStateTransitionHandler.handleMessage(HelixStateTransitionHandler.java:300)
	at org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:85)
	at org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:42)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	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)
Caused by: java.lang.IllegalArgumentException: Path must start with / character
	at org.apache.helix.util.PathUtils.validatePath(PathUtils.java:51)
	at org.apache.helix.manager.zk.ZkCacheBaseDataAccessor.prependChroot(ZkCacheBaseDataAccessor.java:135)
	at org.apache.helix.manager.zk.ZkCacheBaseDataAccessor.update(ZkCacheBaseDataAccessor.java:270)
	at org.apache.helix.filestore.FileStoreStateModel.onBecomeMasterFromSlave(FileStoreStateModel.java:153)
	... 12 more
9    [pool-7-thread-2] ERROR org.apache.helix.participant.statemachine.StateModel  - Default
rollback method invoked on error. Error Code: ERROR
12   [pool-7-thread-2] ERROR org.apache.helix.messaging.handling.HelixTask  - Message execution
failed. msgId: 89a4bdd0-f1d2-4115-9f22-4e046254c9bf, errorMsg: java.lang.reflect.InvocationTargetException
17   [pool-7-thread-2] ERROR org.apache.helix.messaging.handling.HelixStateTransitionHandler
 - Skip internal error. errCode: ERROR, errMsg: null
No master found
No master found
localhost_12002 transitioning from SLAVE to MASTER for repository_0
44   [pool-5-thread-2] ERROR org.apache.helix.messaging.handling.HelixStateTransitionHandler
 - Exception while executing a state transition task repository_0
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.helix.messaging.handling.HelixStateTransitionHandler.invoke(HelixStateTransitionHandler.java:350)
	at org.apache.helix.messaging.handling.HelixStateTransitionHandler.handleMessage(HelixStateTransitionHandler.java:300)
	at org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:85)
	at org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:42)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	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)
Caused by: java.lang.IllegalArgumentException: Path must start with / character
	at org.apache.helix.util.PathUtils.validatePath(PathUtils.java:51)
	at org.apache.helix.manager.zk.ZkCacheBaseDataAccessor.prependChroot(ZkCacheBaseDataAccessor.java:135)
	at org.apache.helix.manager.zk.ZkCacheBaseDataAccessor.update(ZkCacheBaseDataAccessor.java:270)
	at org.apache.helix.filestore.FileStoreStateModel.onBecomeMasterFromSlave(FileStoreStateModel.java:153)
	... 12 more
50   [pool-5-thread-2] ERROR org.apache.helix.participant.statemachine.StateModel  - Default
rollback method invoked on error. Error Code: ERROR
51   [pool-5-thread-2] ERROR org.apache.helix.messaging.handling.HelixTask  - Message execution
failed. msgId: e76917b7-0ac3-4e9b-822d-b1040591e66e, errorMsg: java.lang.reflect.InvocationTargetException
54   [pool-5-thread-2] ERROR org.apache.helix.messaging.handling.HelixStateTransitionHandler
 - Skip internal error. errCode: ERROR, errMsg: null
No master found
localhost_12003 transitioning from SLAVE to MASTER for repository_0
89   [pool-6-thread-2] ERROR org.apache.helix.messaging.handling.HelixStateTransitionHandler
 - Exception while executing a state transition task repository_0
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.helix.messaging.handling.HelixStateTransitionHandler.invoke(HelixStateTransitionHandler.java:350)
	at org.apache.helix.messaging.handling.HelixStateTransitionHandler.handleMessage(HelixStateTransitionHandler.java:300)
	at org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:85)
	at org.apache.helix.messaging.handling.HelixTask.call(HelixTask.java:42)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	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)
Caused by: java.lang.IllegalArgumentException: Path must start with / character
	at org.apache.helix.util.PathUtils.validatePath(PathUtils.java:51)
	at org.apache.helix.manager.zk.ZkCacheBaseDataAccessor.prependChroot(ZkCacheBaseDataAccessor.java:135)
	at org.apache.helix.manager.zk.ZkCacheBaseDataAccessor.update(ZkCacheBaseDataAccessor.java:270)
	at org.apache.helix.filestore.FileStoreStateModel.onBecomeMasterFromSlave(FileStoreStateModel.java:153)
	... 12 more
93   [pool-6-thread-2] ERROR org.apache.helix.participant.statemachine.StateModel  - Default
rollback method invoked on error. Error Code: ERROR
95   [pool-6-thread-2] ERROR org.apache.helix.messaging.handling.HelixTask  - Message execution
failed. msgId: 58885cd6-491d-465d-b01a-1992a10645c1, errorMsg: java.lang.reflect.InvocationTargetException
98   [pool-6-thread-2] ERROR org.apache.helix.messaging.handling.HelixStateTransitionHandler
 - Skip internal error. errCode: ERROR, errMsg: null
CLUSTER STATUS
External View
repository, {BUCKET_SIZE=0}{repository_0={localhost_12001=ERROR, localhost_12002=ERROR, localhost_12003=ERROR}}{}
===============FILES===============================
/tmp/IntegrationTest/localhost_12001/filestore:[]
/tmp/IntegrationTest/localhost_12002/filestore:[]
/tmp/IntegrationTest/localhost_12003/filestore:[]
===============FILES===============================
Writing files a.txt and b.txt to current master /tmp/IntegrationTest/localhost_12001/filestore
===============FILES===============================
/tmp/IntegrationTest/localhost_12001/filestore:[a.txt, b.txt]
/tmp/IntegrationTest/localhost_12002/filestore:[]
/tmp/IntegrationTest/localhost_12003/filestore:[]
===============FILES===============================
Stopping the MASTER node:localhost_12001
 [-] localhost_12001 is interrupted ...
CLUSTER STATUS
External View
repository, {BUCKET_SIZE=0}{repository_0={localhost_12002=ERROR, localhost_12003=ERROR}}{}
Writing files c.txt and d.txt to current master /tmp/IntegrationTest/localhost_12002/filestore
===============FILES===============================
/tmp/IntegrationTest/localhost_12001/filestore:[a.txt, b.txt]
/tmp/IntegrationTest/localhost_12002/filestore:[c.txt, d.txt]
/tmp/IntegrationTest/localhost_12003/filestore:[]
===============FILES===============================
Create or modify any files under /tmp/IntegrationTest/localhost_12002/filestore and it should
get replicated to /tmp/IntegrationTest/localhost_12003/filestore

Had to hit [Ctrl-C] to quit.

Thanks,
—
Xiaofeng Lin



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