Just one correction: When I said:
- I´ve checked SolrCloud via Solr Admin interface and it´s OK: everything is green, and I cant execute queries directly into Solr. I mean: - I´ve checked SolrCloud via Solr Admin interface and it´s OK: everything is green, and *I can* execute queries directly into Solr. Thanks! - Luis Cappa 2013/3/13 Luis Cappa Banda <luisca...@gmail.com> > Hello, guys! > > I´ve been experiencing some annoying behavior with my current production > scenario. Here is the snapshot: > > > - SolrCloud: 2 shards > - Zookeeper ensemble: 3 nodes in *different machines *(most of the > tutorials installs 3 Zookeeper nodes in the same machine). > - This is the zoo.cfg from every > > tickTime=2000 // I´ve also tried with 60000 > > initLimit=10 > > syncLimit=5 > > dataDir=/var/lib/zookeeper > > clientPort=9000 > > server.1=zoohost1:2888:3888 > > server.2=zoohost1:2888:3888 > > server.3=zoohost1:2888:3888 > > > > - I´ve developed a Java Application with a REST API (let´s call it * > engine*) that dispatches queries into SolrCloud. It´s a wrapper around > CloudSolrServer, so it´s mandatory to specify some Zookeeper configuration > params too. They are loaded dynamically when the application is deployed in > a Tomcat server, but the current values that I´m using are as follows: > > cloudSolrServer.*setZkConnectTimeout(60000)* > > cloudSolrServer.*setZkClientTimeout(60000)* > * > * > * > * > > *THE PROBLEM* > * > * > Everything goes OK, but after two days more or less (yes, I´ve checked > that this behavior occurrs periodically, more or less) the *engine blocks > * and cannot dispatch any query to SolrCloud. > > - The *engine *log only outputs "updating Zookeeper..." one last time, > but never updates. > - I´ve checked SolrCloud via Solr Admin interface and it´s OK: > everything is green, and I cant execute queries directly into Solr. > - So then Solr appears to be OK, so the next step is to restart *engine > but *it again appears "updating Zookeeper...". Unfortunately switch > off + switch on doesn´t work here, :-( > - I´ve checked too Zookeeper logs and it appears some connection log > outs, but the ensemble appears to be OK too. > - *The end: *If I restart Zookeeper one by one, and I restart > SolrCloud, plus I restart the engine, the problem is solved. I´m using > Amazon AWS as hostage, so I discard connection problems between instances. > > > Does anyone experienced something similar? Can anybody shed some light on > this problem? > > Thank you very much. > > > Regards, > > > - Luis Cappa >
