SQL Error [08006]: Failed to communicate with Ignite cluster <-- BinaryObjectException: Not enough data to read the value

I created a plugin that implements GridSecurityProcessor because our implementation requries very specialized authorization; but now, whenever I try to run a SQL SELECT query on Ignite over JDBC, `AuthorizationProcessor.authenticate(..)` is run many times, like this: ``` Running AuthorizationPlugi

read-though tutorial for a big table

Hi Igniters,My question is about well done tutorial. Recently on the devlist there was topic "Read load balancing, read-though, ttl and optimistic serializable transactions". It says ignite cache sitting on the top of RDBMS is the most often use case. I tried to implement read-though for a big tabl

Re: Zookeeper discovery with Ignite 2.8.0 - class NoClassDefFound

Mike, Have we filed a ticket to fix the issue in an upcoming release? On Monday, March 9, 2020, Mikhail wrote: > Hi Dominik, > > in new zookeeper 3.5.5 version part of classes were moved in new jar: > https://mvnrepository.com/artifact/org.apache.zookeeper/ > zookeeper-jute/3.5.5 > which is mi

Re: how to achieve this topology ?

Hi, You can use NodeFilter for caches. Please use this JavaDoc for information: https://www.javadoc.io/doc/org.apache.ignite/ignite-core/latest/org/apache/ignite/util/AttributeNodeFilter.html Example can be found here: https://github.com/ezhuravl/ignite-code-examples/blob/master/src/main/java/exa

Re: ignite queue poller

Here how it will look in the code: https://github.com/ezhuravl/ignite-code-examples/tree/master/src/main/java/examples/service/scheduler пн, 2 мар. 2020 г. в 15:23, Evgenii Zhuravlev : > Hi, > > There is no pooler out of the box, but you can simply implement one as a > Service. Even if one of the

Re: Zookeeper discovery with Ignite 2.8.0 - class NoClassDefFound

Hi Dominik, in new zookeeper 3.5.5 version part of classes were moved in new jar: https://mvnrepository.com/artifact/org.apache.zookeeper/zookeeper-jute/3.5.5 which is missed in Apache Ignite release. Please add it manually to lib folder. Thanks, Mike. -- Sent from: http://apache-ignite-users.

Re: TcpDiscoverySpi worker thread failed with assertion error

Hi the issue was fixed: https://issues.apache.org/jira/browse/IGNITE-11952 please check the latest version 2.8.0 Thanks, Mike. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: ignite 2.8.0 LRU eviction not work as expected.

Hi Bing, it works as expected: https://www.gridgain.com/docs/latest/developers-guide/memory-architecture/eviction-policies#on-heap-cache-eviction you set eviction only for on-heap, records will never be evicted from the off-heap memory, but only from on -heap. Please see my example: https://gist

Re: NullPointerException while cluster startup

Hello, Looks like it was fixed in GridGain Community edition: https://www.gridgain.com/resources/download Could you please verify 8.7.12 release? I bet I've found a required fix by it wasn't donated to apache yet, as soon as you confirm that 8.7.12 works fine I'll create a ticket to donate fix to

tcp-comm system-critical thread blocked

We have seen the following happen a couple of time recently during periods of high load/gc pauses in our system: 2020-03-02 11:38:56,803 ERROR STDIO [tcp-disco-msg-worker-#2%ignite_wingman_2931%] {} Mar 02, 2020 11:38:56 AM org.apache.ignite.logger.java.JavaLogger error SEVERE: Blocked system-c