Re: IllegalArgumentException excpetion : Path cannot be null
The client (solr in this case) is passing a null path to the
ZooKeeper.getChildren(path, ... ) call.
java.lang.IllegalArgumentException: Path cannot be null
at
org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:45)
at
org.apache.zookeeper.ZooKeeper.getChildren(zookeeper:ZooKeeper.java):1196)
at
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:200)
I'm afraid you'll have to work with the solr team to determine the cause of
this.
Patrick
On Thu, Aug 26, 2010 at 12:15 AM, Yatir Ben Shlomo wrote:
> I am running a zookeeper ensemble of 3 zookeeper instances
> and established a solrCloud to work with it (2 masters , 2 slaves)
> on one of the masters I keep noticing ZooKeeper related exceptions which I
> can't understand:
> And the other is java.lang.IllegalArgumentException: Path cannot be null
> (PathUtils.java:45)
>
> Here are my logs (I set the log level to FINE on zookeeper package)
>
> Anyone can identify the issue?
> (I could not yet get any help from the solrCloud community)
>
>
> FINE: Reading reply sessionid:0x12a97312613010b, packet:: clientPath:null
> serverPath:null finished:false header:: -8,101 replyHeader:: -8,-1,0
> request::
> 30064776552,v{'/collections},v{},v{'/collections/ENPwl/shards/ENPWL1,'/collections/ENPwl/shards/ENPWL4,'/collections/ENPwl/shards/ENPWL2,'/collections,'/collections/ENPwl/shards/ENPWL3,'/collections/ENPwlMaster/shards/ENPWLMaster_3,'/collections/ENPwlMaster/shards/ENPWLMaster_4,'/live_nodes,'/collections/ENPwlMaster/shards/ENPWLMaster_1,'/collections/ENPwlMaster/shards/ENPWLMaster_2}
> response:: null
> Aug 25, 2010 5:18:19 AM org.apache.log4j.Category debug
> FINE: Reading reply sessionid:0x12a97312613010b, packet:: clientPath:null
> serverPath:null finished:false header:: 540,8 replyHeader:: 540,-1,0
> request:: '/collections,F response:: v{'ENPwl,'ENPwlMaster}
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
> updateCloudState
> INFO: Cloud state update for ZooKeeper already scheduled
> Aug 25, 2010 5:18:19 AM org.apache.log4j.Category error
> SEVERE: Error while calling watcher
> java.lang.IllegalArgumentException: Path cannot be null
>at
> org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:45)
>at
> org.apache.zookeeper.ZooKeeper.getChildren(zookeeper:ZooKeeper.java):1196)
>at
> org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:200)
>at
> org.apache.solr.common.cloud.ZkStateReader$5.process(ZkStateReader.java:315)
>at
> org.apache.zookeeper.ClientCnxn$EventThread.run(zookeeper:ClientCnxn.java):425)
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4
> process
> INFO: Detected a shard change under ShardId:ENPWL3 in collection:ENPwl
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
> updateCloudState
> INFO: Cloud state update for ZooKeeper already scheduled
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4
> process
> INFO: Detected a shard change under ShardId:ENPWL4 in collection:ENPwl
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
> updateCloudState
> INFO: Cloud state update for ZooKeeper already scheduled
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4
> process
> INFO: Detected a shard change under ShardId:ENPWL1 in collection:ENPwl
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
> updateCloudState
> INFO: Cloud state update for ZooKeeper already scheduled
> Aug 25, 2010 5:18:19 AM org.apache.solr.cloud.ZkController$2 process
> INFO: Updating live
> nodes:org.apache.solr.common.cloud.solrzkcli...@55308275
> Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
> updateCloudState
> INFO: Updating live nodes from ZooKeeper...
> Aug 25, 2010 5:18:19 AM org.apache.log4j.Category debug
> FINE: Reading reply sessionid:0x12a97312613010b, packet:: clientPath:null
> serverPath:null finished:false header:: 541,8 replyHeader:: 541,-1,0
> request:: '/live_nodes,F response:: v{'ob1078.nydc1.outbrain.com:8983
> _solr2,'ob1078.nydc1.outbrain.com:8983
> _solr1,'ob1061.nydc1.outbrain.com:8983
> _solr2,'ob1062.nydc1.outbrain.com:8983
> _solr1,'ob1062.nydc1.outbrain.com:8983
> _solr2,'ob1061.nydc1.outbrain.com:8983
> _solr1,'ob1077.nydc1.outbrain.com:8983
> _solr2,'ob1077.nydc1.outbrain.com:8983_solr1}
> Aug 25, 2010 5:18:19 AM org.apache.log4j.Category error
> SEVERE: Error while calling watcher
> java.lang.IllegalArgumentException: Path cannot be null
>at
> org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:45)
>at
> org.apache.zookeeper.ZooKeeper.getChildren(zookeeper:ZooKeeper.java):1196)
>at
> org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:200)
>at
> org.apache.solr.cloud.ZkController$2.process(ZkController.java:321)
>at
> org.apache.zookeeper.ClientCnxn$EventThread.run(zookeeper:ClientCnxn.java
IllegalArgumentException excpetion : Path cannot be null
I am running a zookeeper ensemble of 3 zookeeper instances
and established a solrCloud to work with it (2 masters , 2 slaves)
on one of the masters I keep noticing ZooKeeper related exceptions which I
can't understand:
And the other is java.lang.IllegalArgumentException: Path cannot be null
(PathUtils.java:45)
Here are my logs (I set the log level to FINE on zookeeper package)
Anyone can identify the issue?
(I could not yet get any help from the solrCloud community)
FINE: Reading reply sessionid:0x12a97312613010b, packet:: clientPath:null
serverPath:null finished:false header:: -8,101 replyHeader:: -8,-1,0
request::
30064776552,v{'/collections},v{},v{'/collections/ENPwl/shards/ENPWL1,'/collections/ENPwl/shards/ENPWL4,'/collections/ENPwl/shards/ENPWL2,'/collections,'/collections/ENPwl/shards/ENPWL3,'/collections/ENPwlMaster/shards/ENPWLMaster_3,'/collections/ENPwlMaster/shards/ENPWLMaster_4,'/live_nodes,'/collections/ENPwlMaster/shards/ENPWLMaster_1,'/collections/ENPwlMaster/shards/ENPWLMaster_2}
response:: null
Aug 25, 2010 5:18:19 AM org.apache.log4j.Category debug
FINE: Reading reply sessionid:0x12a97312613010b, packet:: clientPath:null
serverPath:null finished:false header:: 540,8 replyHeader:: 540,-1,0
request:: '/collections,F response:: v{'ENPwl,'ENPwlMaster}
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
updateCloudState
INFO: Cloud state update for ZooKeeper already scheduled
Aug 25, 2010 5:18:19 AM org.apache.log4j.Category error
SEVERE: Error while calling watcher
java.lang.IllegalArgumentException: Path cannot be null
at org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:45)
at
org.apache.zookeeper.ZooKeeper.getChildren(zookeeper:ZooKeeper.java):1196)
at
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:200)
at
org.apache.solr.common.cloud.ZkStateReader$5.process(ZkStateReader.java:315)
at
org.apache.zookeeper.ClientCnxn$EventThread.run(zookeeper:ClientCnxn.java):425)
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4 process
INFO: Detected a shard change under ShardId:ENPWL3 in collection:ENPwl
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
updateCloudState
INFO: Cloud state update for ZooKeeper already scheduled
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4 process
INFO: Detected a shard change under ShardId:ENPWL4 in collection:ENPwl
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
updateCloudState
INFO: Cloud state update for ZooKeeper already scheduled
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4 process
INFO: Detected a shard change under ShardId:ENPWL1 in collection:ENPwl
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
updateCloudState
INFO: Cloud state update for ZooKeeper already scheduled
Aug 25, 2010 5:18:19 AM org.apache.solr.cloud.ZkController$2 process
INFO: Updating live nodes:org.apache.solr.common.cloud.solrzkcli...@55308275
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
updateCloudState
INFO: Updating live nodes from ZooKeeper...
Aug 25, 2010 5:18:19 AM org.apache.log4j.Category debug
FINE: Reading reply sessionid:0x12a97312613010b, packet:: clientPath:null
serverPath:null finished:false header:: 541,8 replyHeader:: 541,-1,0
request:: '/live_nodes,F response::
v{'ob1078.nydc1.outbrain.com:8983_solr2,'ob1078.nydc1.outbrain.com:8983_solr1,'ob1061.nydc1.outbrain.com:8983_solr2,'ob1062.nydc1.outbrain.com:8983_solr1,'ob1062.nydc1.outbrain.com:8983_solr2,'ob1061.nydc1.outbrain.com:8983_solr1,'ob1077.nydc1.outbrain.com:8983_solr2,'ob1077.nydc1.outbrain.com:8983_solr1}
Aug 25, 2010 5:18:19 AM org.apache.log4j.Category error
SEVERE: Error while calling watcher
java.lang.IllegalArgumentException: Path cannot be null
at org.apache.zookeeper.common.PathUtils.validatePath(PathUtils.java:45)
at
org.apache.zookeeper.ZooKeeper.getChildren(zookeeper:ZooKeeper.java):1196)
at
org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:200)
at org.apache.solr.cloud.ZkController$2.process(ZkController.java:321)
at
org.apache.zookeeper.ClientCnxn$EventThread.run(zookeeper:ClientCnxn.java):425)
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ConnectionManager process
INFO: Watcher org.apache.solr.common.cloud.connectionmana...@339bb448
name:ZooKeeperConnection Watcher:zook1:2181,zook2:2181,zook3:2181 got event
WatchedEvent: Server state change. New state: Disconnected path:null type:None
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4 process
INFO: Detected a shard change under ShardId:ENPWLMaster_1 in
collection:ENPwlMaster
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader
updateCloudState
INFO: Cloud state update for ZooKeeper already scheduled
Aug 25, 2010 5:18:19 AM org.apache.solr.common.cloud.ZkStateReader$4 process
INFO: Dete
