[deepamehta-devel] Question about "org.neo4j.graphdb.NotInTransactionException" when creating TopicType

[Martin Tippmann]

Hi!

I'm reviewing the contributions from Malte (thanks again!) and want to
merge them with my code but I'm unable to make it work. The error is always
here [1] and causes this backtrace:


>  dms.createTopic(new TopicModel(FFN_COMMUNITY_TYPE, communityModel));


SEVERE: Handling PLUGIN_ACTIVATED event from "de.deepamehta.webbrowser" for
plugin "Freifunk API Data" failed
java.lang.RuntimeException: Activation of plugin "Freifunk API Data" failed
        at de.deepamehta.core.impl.PluginImpl.activate(PluginImpl.java:483)
        at
de.deepamehta.core.impl.PluginManager.activatePlugin(PluginManager.java:64)
        at
de.deepamehta.core.impl.PluginImpl.checkRequirementsForActivation(PluginImpl.java:449)
        at
de.deepamehta.core.impl.PluginImpl.handleEvent(PluginImpl.java:882)
        at
org.apache.felix.eventadmin.impl.tasks.HandlerTaskImpl.execute(HandlerTaskImpl.java:87)
        at
org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks$1.run(SyncDeliverTasks.java:238)
        at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.RuntimeException: Creating topic failed (topic (id=-1,
uri="", typeUri="net.freifunk.community", value="",
composite={net.freifunk.community.api_mtime=topic (id=-1, uri="null",
typeUri="net.freifunk.community.api_mtime", value="2014-09-12
18:01:01.980570", composite={}), net.freifunk.community.name=topic (id=-1,
uri="null", typeUri="net.freifunk.community.name", value="Freifunk Mainz
e.V.", composite={}), dm4.webbrowser.url=topic (id=-1, uri="null",
typeUri="dm4.webbrowser.url", value="http://www.freifunk-mainz.de",
composite={})}))
        at
de.deepamehta.core.impl.EmbeddedService.createTopic(EmbeddedService.java:155)
        at
net.freifunk.api.dm4.ImportPlugin.processSummarizedAPIDirectory(ImportPlugin.java:130)
        at net.freifunk.api.dm4.ImportPlugin.init(ImportPlugin.java:64)
        at
de.deepamehta.core.impl.PluginImpl.initializePlugin(PluginImpl.java:592)
        at de.deepamehta.core.impl.PluginImpl.activate(PluginImpl.java:471)
        ... 7 more
Caused by: org.neo4j.graphdb.NotInTransactionException
        at
org.neo4j.kernel.impl.persistence.PersistenceManager.getResource(PersistenceManager.java:252)
        at
org.neo4j.kernel.impl.persistence.PersistenceManager.nodeCreate(PersistenceManager.java:155)
        at
org.neo4j.kernel.impl.core.NodeManager.createNode(NodeManager.java:195)
        at
org.neo4j.kernel.InternalAbstractGraphDatabase.createNode(InternalAbstractGraphDatabase.java:850)
        at
de.deepamehta.storage.neo4j.Neo4jStorage.storeTopic(Neo4jStorage.java:159)
        at
de.deepamehta.core.impl.StorageDecorator.storeTopic(StorageDecorator.java:99)
        at
de.deepamehta.core.impl.EmbeddedService.topicFactory(EmbeddedService.java:674)
        at de.deepamehta.core.imp


I can't find any obvious problems with the code and also tests with
different and empty TopicModels fail.

I'm using the current git-Version[2] - So it's better to use the stable
(4.3) Version? Or did I overlook something?

Thanks!

regards
Martin

1:
https://github.com/freifunk/query.api.freifunk.net/blob/master/dm4-freifunk-api/src/main/java/net/freifunk/api/dm4/ImportPlugin.java#L126
2:
https://github.com/freifunk/query.api.freifunk.net/blob/master/dm4-freifunk-api/pom.xml
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