[ https://issues.apache.org/jira/browse/TINKERPOP-2241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stephen mallette closed TINKERPOP-2241. --------------------------------------- Resolution: Fixed Assignee: stephen mallette Fix Version/s: 3.5.0 3.4.3 3.3.8 > Client exception don't match Server exception when server throw > StackOverflowError > ----------------------------------------------------------------------------------- > > Key: TINKERPOP-2241 > URL: https://issues.apache.org/jira/browse/TINKERPOP-2241 > Project: TinkerPop > Issue Type: Bug > Components: server > Affects Versions: 3.4.0, 3.4.2 > Environment: Mac > Reporter: Stark Arya > Assignee: stephen mallette > Priority: Major > Fix For: 3.3.8, 3.4.3, 3.5.0 > > Attachments: image-2019-06-11-19-57-37-659.png, > image-2019-06-11-20-01-20-982.png > > > On both apache-tinkerpop-gremlin-console-3.4.2 and older version,when i try a > extra-long requests,the client get NPE:java.lang.NullPointerException > {code:java} > gremlin> g = TinkerGraph.open().traversal() > ==>graphtraversalsource[tinkergraph[vertices:0 edges:0], standard] > gremlin> g.addV("1") > ==>v[0] > 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> java.lang.NullPointerException > {code} > However,the gremlin-server just throw: java.lang.StackOverflowError: null > because of the thread's stack overflow。 > The exception mismatch above is just because in the server side, > StackOverflowError's getMessage() function will return null ,which cause > ResponseMessage.ResponseStatus.message variable assigned to null. > But the gremlin-driver does not checking (key = serTokens.TOKEN_MESSAGE)'s > value, so throw new exception when response deserialization, code snippet as > follows: > {code:java} > // file: AbstractGraphSONMessageSerializerV2d0.java > public final static class ResponseMessageDeserializer extends > AbstractObjectDeserializer<ResponseMessage> { > protected ResponseMessageDeserializer() { > super(ResponseMessage.class); > } > > @Override > public ResponseMessage createObject(final Map<String, Object> data) { > final Map<String, Object> status = (Map<String, Object>) > data.get(SerTokens.TOKEN_STATUS); > final Map<String, Object> result = (Map<String, Object>) > data.get(SerTokens.TOKEN_RESULT); > return > ResponseMessage.build(UUID.fromString(data.get(SerTokens.TOKEN_REQUEST).toString())) > .code(ResponseStatusCode.getFromValue((Integer) > status.get(SerTokens.TOKEN_CODE))) > .statusMessage(status.get(SerTokens.TOKEN_MESSAGE).toString()) > .statusAttributes((Map<String, Object>) > status.get(SerTokens.TOKEN_ATTRIBUTES)) > .result(result.get(SerTokens.TOKEN_DATA)) > .responseMetaData((Map<String, Object>) > result.get(SerTokens.TOKEN_META)) > .create(); > } > } > {code} > PR : [https://github.com/apache/tinkerpop/pull/1127/files] > > -- This message was sent by Atlassian JIRA (v7.6.3#76005)