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https://issues.apache.org/jira/browse/TINKERPOP-732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15199924#comment-15199924
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stephen mallette commented on TINKERPOP-732:
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yes - i think i see your predicament. i guess a custom deserializer would solve
this......still can't say unequivocally. don't know how many times i've gotten
into stuff like this with serialization and end up no where near where my
initial solution was. Note that we do actually have some deserializers build
for java.time.* classes. You can see them registered in {{GraphSONModuleV1d0}}.
> gremlin-server GraphSON serializer issue with tree()
> ----------------------------------------------------
>
> Key: TINKERPOP-732
> URL: https://issues.apache.org/jira/browse/TINKERPOP-732
> Project: TinkerPop
> Issue Type: Improvement
> Components: io
> Affects Versions: 3.0.2-incubating
> Reporter: Dylan Millikin
> Assignee: Dylan Millikin
>
> When using the {{tree()}} step with a GraphSON serializer the server hangs
> (though I've seen some form of serialization errors in more complex scenarios
> over titan).
> The following works fine in the console but fails using the graphSON
> serializer:
> {code:java}
> g.V(1).repeat(out()).until(out().count().is(0)).tree() // fails with .next()
> as well
> {code}
> The following works without a problem though:
> {code:java}
> g.V(1).repeat(out()).until(out().count().is(0))
> {code}
> Here's the configuration file I use for these tests:
> {code}
> host: localhost
> port: 8182
> threadPoolWorker: 1
> gremlinPool: 8
> scriptEvaluationTimeout: 30000
> serializedResponseTimeout: 30000
> channelizer: org.apache.tinkerpop.gremlin.server.channel.WebSocketChannelizer
> graphs: {
> graph: conf/tinkergraph-empty.properties
> }
> plugins:
> - tinkerpop.tinkergraph
> scriptEngines: {
> gremlin-groovy: {
> imports: [java.lang.Math],
> staticImports: [java.lang.Math.PI],
> scripts: [scripts/generate-classic.groovy]}}
> serializers:
> - { className:
> org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV1d0 }
> - { className:
> org.apache.tinkerpop.gremlin.driver.ser.GryoMessageSerializerV1d0, config: {
> serializeResultToString: true }}
> - { className:
> org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerGremlinV1d0 }
> - { className:
> org.apache.tinkerpop.gremlin.driver.ser.GraphSONMessageSerializerV1d0 }
> processors:
> - { className:
> org.apache.tinkerpop.gremlin.server.op.session.SessionOpProcessor, config: {
> sessionTimeout: 28800000 }}
> metrics: {
> consoleReporter: {enabled: true, interval: 180000},
> csvReporter: {enabled: true, interval: 180000, fileName:
> /tmp/gremlin-server-metrics.csv},
> jmxReporter: {enabled: true},
> slf4jReporter: {enabled: true, interval: 180000},
> gangliaReporter: {enabled: false, interval: 180000, addressingMode:
> MULTICAST},
> graphiteReporter: {enabled: false, interval: 180000}
> }
> threadPoolBoss: 1
> maxInitialLineLength: 4096
> maxHeaderSize: 8192
> maxChunkSize: 8192
> maxContentLength: 65536
> maxAccumulationBufferComponents: 1024
> resultIterationBatchSize: 64
> writeBufferHighWaterMark: 32768
> writeBufferHighWaterMark: 65536
> ssl: {
> enabled: false}
> {code}
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