Github user ramzioueslati commented on the issue: https://github.com/apache/tinkerpop/pull/352 Will do right away. For the record here is the stacktrace: ``` Running org.apache.tinkerpop.gremlin.server.GremlinServerAuthOldIntegrateTest [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.server.AbstractChannelizer - Enabling SSL with self-signed certificate (NOT SUITABLE FOR PRODUCTION) [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.driver.Cluster - SSL configured without a trustCertChainFile and thus trusts all certificates without verification (not suitable for production) [WARN] org.apache.tinkerpop.gremlin.driver.Cluster - SSL configured without a trustCertChainFile and thus trusts all certificates without verification (not suitable for production) [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [ERROR] org.apache.tinkerpop.gremlin.driver.Handler$GremlinResponseHandler - Could not process the response javax.security.sasl.SaslException: GSS initiate failed [Caused by GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)] at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211) at org.apache.tinkerpop.gremlin.driver.Handler$GremlinSaslAuthenticationHandler.evaluateChallenge(Handler.java:123) at org.apache.tinkerpop.gremlin.driver.Handler$GremlinSaslAuthenticationHandler.channelRead0(Handler.java:93) at org.apache.tinkerpop.gremlin.driver.Handler$GremlinSaslAuthenticationHandler.channelRead0(Handler.java:66) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:307) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:293) at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:307) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:293) at org.apache.tinkerpop.gremlin.driver.handler.WebSocketClientHandler.channelRead0(WebSocketClientHandler.java:90) at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:307) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:293) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:276) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:263) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:307) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:293) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:840) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112) at java.lang.Thread.run(Thread.java:745) Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt) at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147) at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122) at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187) at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179) at com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192) ... 25 more [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. [WARN] org.apache.tinkerpop.gremlin.server.AbstractChannelizer - Enabling SSL with self-signed certificate (NOT SUITABLE FOR PRODUCTION) [WARN] org.apache.tinkerpop.gremlin.server.auth.SimpleAuthenticator - Using {} configuration option which is deprecated - prefer including the location of the credentials graph data in the TinkerGraph config file. Tests run: 10, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 62.071 sec <<< FAILURE! - in org.apache.tinkerpop.gremlin.server.GremlinServerAuthOldIntegrateTest shouldFailAuthenticateWithPlainTextNoCredentials(org.apache.tinkerpop.gremlin.server.GremlinServerAuthOldIntegrateTest) Time elapsed: 4.58 sec <<< FAILURE! java.lang.AssertionError: Expected: a string starting with "Invalid name provided" but: was "No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)" at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20) at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:8) at org.apache.tinkerpop.gremlin.server.GremlinServerAuthOldIntegrateTest.shouldFailAuthenticateWithPlainTextNoCredentials(GremlinServerAuthOldIntegrateTest.java:135) ```
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