Invalid DER: length field too big Exception

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Paolo Di Tommaso

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May 2, 2012, 9:41:42 AM5/2/12

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Dear all,

I'm experience the following exception launching some nodes on Amazon with JClouds.

java.lang.RuntimeException: java.io.IOException: Invalid DER: length field too big (186)

at com.google.common.base.Throwables.propagate(Throwables.java:156)

at org.jclouds.crypto.Pems.privateKeySpec(Pems.java:173)

at org.jclouds.crypto.SshKeys.fingerprintPrivateKey(SshKeys.java:228)

at org.jclouds.sshj.SshjSshClient.<init>(SshjSshClient.java:155)

at org.jclouds.sshj.config.SshjSshClientModule$Factory.create(SshjSshClientModule.java:68)

at org.jclouds.compute.functions.CreateSshClientOncePortIsListeningOnNode.apply(CreateSshClientOncePortIsListeningOnNode.java:59)

at org.jclouds.compute.functions.CreateSshClientOncePortIsListeningOnNode.apply(CreateSshClientOncePortIsListeningOnNode.java:40)

at org.jclouds.compute.callables.SudoAwareInitManager.init(SudoAwareInitManager.java:64)

at org.jclouds.compute.callables.RunScriptOnNodeAsInitScriptUsingSsh.init(RunScriptOnNodeAsInitScriptUsingSsh.java:82)

at org.jclouds.compute.callables.RunScriptOnNodeAsInitScriptUsingSshAndBlockUntilComplete.init(RunScriptOnNodeAsInitScriptUsingSshAndBlockUntilComplete.java:76)

at org.jclouds.compute.callables.RunScriptOnNodeAsInitScriptUsingSshAndBlockUntilComplete.init(RunScriptOnNodeAsInitScriptUsingSshAndBlockUntilComplete.java:43)

at org.jclouds.compute.strategy.InitializeRunScriptOnNodeOrPlaceInBadMap.call(InitializeRunScriptOnNodeOrPlaceInBadMap.java:67)

at org.jclouds.compute.strategy.InitializeRunScriptOnNodeOrPlaceInBadMap.call(InitializeRunScriptOnNodeOrPlaceInBadMap.java:40)

at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)

at java.util.concurrent.FutureTask.run(FutureTask.java:138)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)

at java.lang.Thread.run(Thread.java:680)

Caused by: java.io.IOException: Invalid DER: length field too big (186)

at net.oauth.signature.pem.DerParser.getLength(DerParser.java:159)

at net.oauth.signature.pem.DerParser.read(DerParser.java:117)

at net.oauth.signature.pem.PKCS1EncodedKeySpec.decode(PKCS1EncodedKeySpec.java:95)

at net.oauth.signature.pem.PKCS1EncodedKeySpec.<init>(PKCS1EncodedKeySpec.java:52)

at org.jclouds.crypto.Pems$1.parseResult(Pems.java:149)

at org.jclouds.crypto.Pems$1.parseResult(Pems.java:146)

at org.jclouds.crypto.Pems$PemProcessor.getResult(Pems.java:94)

at com.google.common.io.ByteStreams.readBytes(ByteStreams.java:715)

at org.jclouds.crypto.Pems.fromPem(Pems.java:123)

at org.jclouds.crypto.Pems.privateKeySpec(Pems.java:143)

at org.jclouds.crypto.Pems.privateKeySpec(Pems.java:171)

... 16 more

Any ideas ?

Best,
Paolo

Richard Downer

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May 2, 2012, 10:23:39 AM5/2/12

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Paolo,

It seems that something is having trouble parsing the private key used for ssh. How are you dealing with SSH keys? Are you passing your own SSH key to jclouds, or using a key that is already known to Amazon (that you have previously created or uploaded with the AWS web console, for example), or are you doing nothing and letting jclouds manage the SSH key creation?

Richard.

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Richard Downer • Lead Engineer • Cloudsoft Corporation • http://www.cloudsoftcorp.com