In principle your code looks ok,
It's not clear which code/database your neoUtil.findParentNode("Test"); uses
and what DataSource.getGraphDBAPI() does
how much heap do you provide to your application?
> Am 21.03.2015 um 20:04 schrieb S C Kannan <[email protected]>:
>
> Hi Michael,
>
> Thanks for the response. I have added the exact fail case scenario with
> codes and configuration as follows,
>
> We are using single threaded only.
>
> I am using Neo4j 1.9.8 Embedded Database. The steps used to create node are
> as follows,
>
> 1. Start the Transaction
> 2. Create the Node.
> 3. Set few properties to the node
> 4. Create two relationships with other nodes
I see only one relationship-creation in your code
> 5. Commit the transaction
> 6. Print the Node Id (eg. 13456)
where is that?
> 7. Fetch the particular Node with the Node Id above with following query.
> START root=node(13456) RETURN root;But the following error throws
I think somehow you either leak transactions so you still have a write lock at
the node(s) (probably the parent-node) which is not unlocked yet and your
second tx hangs on the same lock.
Do you have outer transactions that you don't show here?
>
> EntityNotFoundException: Node 13456 not found
>
> When I try to do the above transaction again, the program hangs at point no 4.
>
> The Java Class used to create node with property and relation ship are as
> follows,
>
> Transaction trx = DataSource.getGraphDBAPI().beginTx();
> try{
> Node ndeTest= DataSource.getGraphDB().createNode();
> ndeTest.setId("1");
> ndeTest.setName("Test API");
> ndeTest.setURL("www.test.com");
> Node parentNode = neoUtil.findParentNode("Test");
> parentNode.createRelationshipTo(ndeTest,
> KnoxxiRelationshipType.API);
> ndeTest.setStatus("1");
> trx.success();
> }catch (Exception e) {
> trx.failure();
> log.error("Test Node Creation Failed," + e.getLocalizedMessage);
> } finally {trx.finish();}
> log.info("Node Id : "+ ndeTest.getId());
>
> The neo4j Configuration are as follows:
>
> node_auto_indexing=true
> cache_type=gcr
> nodestore_propertystore_mapped_memory_size=150M
> nodestore_mapped_memory_size=100M
> relationshipstore_mapped_memory_size=500M
> strings_mapped_memory_size=150M
> relationship_auto_indexing=true
>
> The last few lines on neo4j message.log file are as follows:
>
>
> 2015-03-20 09:25:08.030+0000 INFO [o.n.k.EmbeddedGraphDatabase]: GC
> Monitor: Application threads blocked for an additional 385ms [total block
> time: 5.365s]
> 2015-03-20 09:25:25.766+0000 INFO [o.n.k.EmbeddedGraphDatabase]: GC
> Monitor: Application threads blocked for an additional 395ms [total block
> time: 5.76s]
>
> Please guide me if i miss something out.
>
> Best Regards,
> Kannan S C
>
> On Friday, 20 March 2015 10:27:14 UTC, Michael Hunger wrote:
> Please share you code, best a failing test, neo4j version, data model.
> Are you running single threaded or multi threaded, ...
>
> M
>
>> Am 20.03.2015 um 11:12 schrieb S C Kannan <[email protected] <javascript:>>:
>>
>> Hi Experts,
>>
>> I am facing an issue which was stated as follows,
>>
>> 1. I can able to use cipher query to fetch records. But when i save a new
>> node and Create relationship to the someother node, Neo4j hangs and nothing
>> happens after that. There are no error logs on Message.log.
>>
>> Please help to sort this out'
>>
>> With Regards,
>> Kannan S C
>>
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