NullPointerException: Ouch! Argument cannot be null: key while performing cache.getAll

Hi I'm working on a project with ignite as in memory cache with Cassandra as persistence for ignite. I need to perform cache.getAll(..) on a set of pojo cache keys built. For Random runs facing the below Exception. Failed to acquire lock for request: GridNearLockRequest

Re: How to add new nodes to a running cluster?

Do you add this node to the topology? https://apacheignite.readme.io/docs/baseline-topology -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Ignite kv/sql features

Hi all, Can you please clarify the following possibilities in Ignite? 1. Insert multiple entries in cache KV store then is it possible to retrieve selected rows based on the particular column using a SQL query on the same KV store cache? (i.e, insert using kv operation but read using sql query)

Re: Does Ignite message support C++?

Do continuous queries work for you? https://apacheignite-cpp.readme.io/docs/continuous-queries Denis On Wed, Jan 9, 2019 at 4:08 PM SamsonLai wrote: > Thanks a lot > > > > -- > Sent from: http://apache-ignite-users.70518.x6.nabble.com/ >

Re: Does Ignite message support C++?

Thanks a lot -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Ignite-benchmark- driver classname not found

Hi , I ran the ignite-benchmark on a vm. ignite version used is 2.6.0. cmd: ./benchmark-run-all.sh ../config/benchmark-remote.properties some of the benchmarks didnt run, saying : log4j:WARN No appenders could be found for logger (org.reflections.Reflections). log4j:WARN Please

Re: Graph Query Integration

Hi! take a look to https://github.com/hawkore/examples-apache-ignite-extensions/ they are implemented a solution for persisted lucene and spatial indexes -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Text Query question

Hi! take a look to https://github.com/hawkore/examples-apache-ignite-extensions/ they are implemented a solution for persisted lucene and spatial indexes -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/

Re: Extra console output from logs.

More precisely this is what we see... This line is good: {"appTimestamp":"2019-01-09T18:29:34.298+00:00","threadName":"vert.x-worker-thread-0","level":"INFO","loggerName":"org.apache.ignite.internal.IgniteKernal%xx-dev","message":"\n\n>>> __ \n>>> / _/ ___/

Extra console output from logs.

Hi using 2.3.7 and Slf4J and a Json encoder so all our logs can print as Json. We setup the logger as follows... IgniteLogger log = new Slf4jLogger(); igniteConfig.setGridLogger(log); But we have noticed that there is duplicate output from Ignite to the console in the desired

Failed to wait for partition map exchange on cluster activation

Hello, I found in test logs of my project that Ignite warns about failed partition maps exchange. In test environment 3 Ignite 2.7 server nodes run in the same JVM8 on Win10, using localhost networking. 2019-01-09 20:15:27,719 [sys-#164%TestNode-2%] INFO

Re: SqlQuery retrieves same cache entry twice. ScanQuery results conflicts with indentical SqlQuery

Hi Ilya, Thanks for quick reply on my problem. I am running 2.5. Looks like issue i have has to do with IGNITE-8900 . I keep my fingers crossed that this serious issue is gone with 2.7. -- Sent from:

Re: SqlQuery retrieves same cache entry twice. ScanQuery results conflicts with indentical SqlQuery

Hi Ilya, Thanks a lot for your reply. I am running 2.5. Looks like my problem has to do with IGNITE-8900 which should be fixed for 2.7. Keep my fingers crossed that 2.7 fixes this serious issue -- Sent from:

Re: How to setup multi host node discovery

Tnx for your help. Below is my config. Did you mean something like this? http://www.springframework.org/schema/beans; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance; xsi:schemaLocation=" http://www.springframework.org/schema/beans

Re: How to add new nodes to a running cluster?

Hello! Can you provide config and log? Note that it if will join cluster, you will need to add it to baseline topology. Regards, -- Ilya Kasnacheev вт, 8 янв. 2019 г. в 16:08, yangjiajun <1371549...@qq.com>: > Hello. > > I try to add a node with persistence enable to a running cluster.I

Re: backup mode

Hello! I don't think so! You will need to create a different cache with new configuration. Regards, -- Ilya Kasnacheev пн, 7 янв. 2019 г. в 14:41, Som Som <2av10...@gmail.com>: > hello. > > is it posible to change backup from 0 to 1 in existing cache? >

Re: Getting javax.cache.CacheException after upgrading to Ignite 2.7

Hi Ilya, I have created a reproducer for this issue and uploaded it to GitHub. GitHub project: https://github.com/prasadbhalerao1983/IgniteTestPrj.git Please run IgniteTransactionTester class to check the issue. Exception: Exception in thread "main" javax.cache.CacheException: Only

Re: How to setup multi host node discovery

Hello! You can just list all nodes' IPs in configuration of each node, or use S3 discovery in case of AWS. Regards, -- Ilya Kasnacheev ср, 9 янв. 2019 г. в 17:14, newigniter : > Greetings. > > I am new to apache ignite and I would like to set up multiple ignite nodes > each running on

How to setup multi host node discovery

Greetings. I am new to apache ignite and I would like to set up multiple ignite nodes each running on separate ec2 instance inside docker container. When I start the first ignite node, the cluster is created and now I have one node in my cluster. I create now new ec2 instance and start new

Re: select count () 20 times slower than select count(*)

Hello! Index access may be slower than full scan since it needs more lookups. It is unfortunate that Ignite's query planner cannot figure this out, but it is not without explanation. Regards, -- Ilya Kasnacheev вт, 8 янв. 2019 г. в 17:27, David : > Hi all, > > I have a simple Table on a one

Re: After upgrading 2.7 getting Unexpected error occurred during unmarshalling

Hello! Do you have a reproducer project to reliably confirm this issue? Regards, -- Ilya Kasnacheev ср, 9 янв. 2019 г. в 12:39, Akash Shinde : > Added d...@ignite.apache.org. > > Should I log Jira for this issue? > > Thanks, > Akash > > > > On Tue, Jan 8, 2019 at 6:16 PM Akash Shinde

Re: SqlQuery retrieves same cache entry twice. ScanQuery results conflicts with indentical SqlQuery

Hello! What is the Ignite version that you are using? Can you re-try using 2.7 if you're using an earlier one? Regards, -- Ilya Kasnacheev вс, 6 янв. 2019 г. в 20:54, oshevchenko : > Met very strange SqlQuery when executing simple query on partitioned. The > problem that the same cache entry

Not able to load data from Cassandra database to Ignite Cache.

Configured three xml files, one for cassandra connections, one for persistence and one for default.xml where both cassandra and persistence bean ids configured and also updated cachestore configuration. I was able to save data to cassandra using *cache.put*. But here the requirement is first I

How to save data from Ignite Cache to cassandra db automatically

I followed below link for verifying the Ignite Cache Implementation using scala. https://github.com/apache/ignite/blob/master/examples/src/main/spark/org/apache/ignite/examples/spark/IgniteDataFrameWriteExample.scala Initially in the setupServerAndData, table is created and inserted some values.

Re: Out of sync clocks on all ignite nodes/VMs

Hello! Apache Ignite doesn't depend on clock too much so it should not be a problem unless we are talking more of few minutes of divergence. It will not trigger rebalancing nor extra partition exchanges. Transactional processing will not be affected. Regards, -- Ilya Kasnacheev ср, 9 янв.

Re: Getting javax.cache.CacheException after upgrading to Ignite 2.7

Hi, My cache configuration is as follows. I am using TRANSACTIONAL and not TRANSACTIONAL_SNAPSHOT. private CacheConfiguration ipContainerIPV4CacheCfg() { CacheConfiguration ipContainerIpV4CacheCfg = new CacheConfiguration<>(CacheName.IP_CONTAINER_IPV4_CACHE.name());

Re: Does Ignite message support C++?

That's right, Ignite C++ do not support messaging currently. Best Regards, Igor On Tue, Jan 8, 2019 at 3:07 AM SamsonLai wrote: > I have an ignite cluster that running on Java, all nodes (Java) within the > cluster can send and receive Ignite messages. Now, I have to create another > client

Re: Getting javax.cache.CacheException after upgrading to Ignite 2.7

Hi Prasad, > javax.cache.CacheException: Only pessimistic repeatable read transactions are > supported at the moment. Exception mentioned by you should happen only for cache with TRANSACTIONAL_SNAPSHOT atomicity mode configured. Have you configured TRANSACTIONAL_SNAPSHOT atomicity for any cache?

Re: Cluster of two nodes with minimal port use

I think I can narrow it down to this error message: [12:38:10,957][WARNING][tcp-disco-msg-worker-#2][TcpDiscoverySpi] Failed to send message to next node [msg=TcpDiscoveryNodeAddedMessage [node=TcpDiscoveryNode [id=98c88dfd-758e-40f4-9597-eb4c4f700280, addrs=[172.24.10.79],

Re: JDK 11 support

Currently, compilation is not supported, efforts are about providing runtime compatibility. I hope full support (compilation + runtime) will be introduced in 2.8 (and not later than 3.0). > On 9 Jan 2019, at 11:27, zaleslaw wrote: > > I haven't any troubles with running Ignite 2.6 with JDK 8

Out of sync clocks on all ignite nodes/VMs

Can the nodes go out of cluster If the clocks on all nodes are out of sync? Can it create issue in cluster or cluster formation? Can it trigger rebalancing process or partition exchange process unnecessarily on nodes? Thanks, Prasad

Re: Distributed Training in tensorflow

Let me also add that it depends on what you want to achieve. TensorFlow supports distributed training and it does it on it's own. But if you use pure TensorFlow you'll have to start TensorFlow workers manually and distribute data manually as well. And you can do it, I mean start workers manually

Re: Distributed Training in tensorflow

Dear Mehdi Sey First of all, we should have running Ignite cluster with a dataset loaded into caches. NOTE: This dataset could be reached via "from tensorflow.contrib.ignite import IgniteDataset" in your Jupiter Notebook. In the second, we shouldn't forget about tf.device("...") call The

Re: Cluster of two nodes with minimal port use

Hi Stephen, I tested your proposal, but to no avail. The discovery process is still continuously retried, but never successful. Best regards, Tobias On 1/8/19 4:07 PM, Stephen Darlington wrote: Try putting the same list on both nodes: 172.24.10.79:3013 172.24.10.83:3013 Regards, Stephen

Re: Ignite and spark for deep learning

Dear Mehdi Sey Yes, both platforms are used for in-memory computing, but they have different APIs and history of feature creation and different ways of integration with famous DL frameworks (like DL4j and TensorFlow). >From my point of view, you have no speed up in Ignite + Spark + DL4j

Re: JDK 11 support

I haven't any troubles with running Ignite 2.6 with JDK 8 and Ignite 2.7 with JDK 8,9. But a few weeks ago it [Ignite 2.6/Ignite 2.7) doesn't compile with JDK 11 (Oracle). -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/