[jira] [Created] (YARN-10814) YARN shouldn't start with empty hadoop.http.authentication.signature.secret.file

["Benjamin Teke (Jira)" <ji...@apache.org>]

Benjamin Teke created YARN-10814:
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             Summary: YARN shouldn't start with empty hadoop.http.authentication.signature.secret.file
                 Key: YARN-10814
                 URL: https://issues.apache.org/jira/browse/YARN-10814
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Benjamin Teke


YARN currently throws the following warning upon accessing any REST endpoint when the configured http secret file exists but is empty:

{code:java}
2021-03-03 20:46:16,616 WARN org.eclipse.jetty.server.HttpChannel: /jmx
java.lang.IllegalArgumentException: Empty key
        at java.base/javax.crypto.spec.SecretKeySpec.<init>(SecretKeySpec.java:95)
        at org.apache.hadoop.security.authentication.util.Signer.computeSignature(Signer.java:93)
        at org.apache.hadoop.security.authentication.util.Signer.sign(Signer.java:59)
        at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:587)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1638)
        at org.apache.hadoop.security.http.CrossOriginFilter.doFilter(CrossOriginFilter.java:98)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1638)
        at org.apache.hadoop.http.HttpServer2$QuotingInputFilter.doFilter(HttpServer2.java:1681)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1638)
        at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
        at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1638)
        at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:567)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
        at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:602)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
        at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1610)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
        at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1377)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
        at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:507)
        at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1580)
        at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
        at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1292)
        at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
        at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
        at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
        at org.eclipse.jetty.server.Server.handle(Server.java:501)
        at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
        at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
        at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
        at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:540)
        at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:395)
        at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:161)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
        at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
        at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:129)
        at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:375)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
        at java.base/java.lang.Thread.run(Thread.java:834) 
{code}

YARN itself works, apps can be submitted but none of the REST endpoints are accessible. Since this is an invalid configuration YARN possibly shouldn't start.




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