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fabric crashes in intelij

all i did is setup the project and the mod id and that stuff and first time running i get this erorr
Exception in thread "main" org.spongepowered.asm.launch.MixinInitialisationError: Error initialising mixin config modid.mixins.json
at org.spongepowered.asm.mixin.transformer.Config.create(Config.java:153)
at org.spongepowered.asm.mixin.Mixins.createConfiguration(Mixins.java:100)
at org.spongepowered.asm.mixin.Mixins.addConfiguration(Mixins.java:87)
at net.fabricmc.loader.launch.common.FabricMixinBootstrap.addConfiguration(FabricMixinBootstrap.java:44)
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
at net.fabricmc.loader.launch.common.FabricMixinBootstrap.init(FabricMixinBootstrap.java:83)
at net.fabricmc.loader.launch.knot.Knot.init(Knot.java:132)
at net.fabricmc.loader.launch.knot.KnotClient.main(KnotClient.java:28)
at net.fabricmc.devlaunchinjector.Main.main(Main.java:86)
Caused by: java.lang.IllegalArgumentException: The specified resource 'modid.mixins.json' was invalid or could not be read
at org.spongepowered.asm.mixin.transformer.MixinConfig.create(MixinConfig.java:1090)
at org.spongepowered.asm.mixin.transformer.Config.create(Config.java:148)
... 8 more

Make sure to change modid.mixins.json in your fabric.mod.json

SVNKit using ssh throws IOException

I installed a new subversion repository but I am unable to connect to the repository.
In the old repository it is working as expected. The new repository thorws an exception:
org.eclipse.team.svn.core.connector.SVNConnectorException: svn: E210002: There was a problem while connecting to xn--x7h.example.com:22
at org.polarion.team.svn.connector.svnkit.SVNKitService.handleClientException(SVNKitService.java:59)
at org.polarion.team.svn.connector.svnkit.SVNKitConnector.listEntries(SVNKitConnector.java:1758)
at org.eclipse.team.svn.core.extension.factory.ThreadNameModifier.listEntries(ThreadNameModifier.java:324)
at org.eclipse.team.svn.core.utility.SVNUtility.list(SVNUtility.java:440)
at org.eclipse.team.svn.core.svnstorage.SVNRepositoryContainer.getChildren(SVNRepositoryContainer.java:79)
at org.eclipse.team.svn.core.operation.remote.GetRemoteFolderChildrenOperation.runImpl(GetRemoteFolderChildrenOperation.java:76)
at org.eclipse.team.svn.core.operation.AbstractActionOperation.run(AbstractActionOperation.java:82)
at org.eclipse.team.svn.core.utility.ProgressMonitorUtility.doTask(ProgressMonitorUtility.java:104)
at org.eclipse.team.svn.core.operation.CompositeOperation.runImpl(CompositeOperation.java:99)
at org.eclipse.team.svn.core.operation.AbstractActionOperation.run(AbstractActionOperation.java:82)
at org.eclipse.team.svn.core.operation.LoggedOperation.run(LoggedOperation.java:40)
at org.eclipse.team.svn.core.utility.ProgressMonitorUtility.doTask(ProgressMonitorUtility.java:104)
at org.eclipse.team.svn.core.utility.ProgressMonitorUtility.doTaskExternal(ProgressMonitorUtility.java:90)
at org.eclipse.team.svn.ui.utility.DefaultCancellableOperationWrapper.run(DefaultCancellableOperationWrapper.java:55)
at org.eclipse.team.svn.ui.utility.ScheduledOperationWrapper.run(ScheduledOperationWrapper.java:37)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: org.apache.subversion.javahl.ClientException: svn: E210002: There was a problem while connecting to xn--x7h.example.com:22
at org.apache.subversion.javahl.ClientException.fromException(ClientException.java:117)
at org.tmatesoft.svn.core.javahl17.SVNClientImpl.getClientException(SVNClientImpl.java:1539)
at org.tmatesoft.svn.core.javahl17.SVNClientImpl.list(SVNClientImpl.java:189)
at org.polarion.team.svn.connector.svnkit.SVNKitConnector.listEntries(SVNKitConnector.java:1745)
... 14 more
Caused by: org.tmatesoft.svn.core.SVNException: svn: E210002: There was a problem while connecting to xn--x7h.example.com:22
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:70)
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:57)
at org.tmatesoft.svn.core.internal.io.svn.SVNSSHConnector.open(SVNSSHConnector.java:145)
at org.tmatesoft.svn.core.internal.io.svn.SVNConnection.open(SVNConnection.java:77)
at org.tmatesoft.svn.core.internal.io.svn.SVNRepositoryImpl.openConnection(SVNRepositoryImpl.java:1273)
at org.tmatesoft.svn.core.internal.io.svn.SVNRepositoryImpl.getLatestRevision(SVNRepositoryImpl.java:172)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgRepositoryAccess.getRevisionNumber(SvnNgRepositoryAccess.java:119)
at org.tmatesoft.svn.core.internal.wc2.SvnRepositoryAccess.getLocations(SvnRepositoryAccess.java:195)
at org.tmatesoft.svn.core.internal.wc2.ng.SvnNgRepositoryAccess.createRepositoryFor(SvnNgRepositoryAccess.java:46)
at org.tmatesoft.svn.core.internal.wc2.remote.SvnRemoteList.run(SvnRemoteList.java:36)
at org.tmatesoft.svn.core.internal.wc2.remote.SvnRemoteList.run(SvnRemoteList.java:1)
at org.tmatesoft.svn.core.internal.wc2.SvnOperationRunner.run(SvnOperationRunner.java:21)
at org.tmatesoft.svn.core.wc2.SvnOperationFactory.run(SvnOperationFactory.java:1235)
at org.tmatesoft.svn.core.wc2.SvnOperation.run(SvnOperation.java:294)
at org.tmatesoft.svn.core.javahl17.SVNClientImpl.list(SVNClientImpl.java:187)
... 15 more
Caused by: java.io.IOException: There was a problem while connecting to xn--x7h.example.com:22
at com.trilead.ssh2.Connection.connect(Connection.java:817)
at org.tmatesoft.svn.core.internal.io.svn.ssh.SshHost.openConnection(SshHost.java:225)
at org.tmatesoft.svn.core.internal.io.svn.ssh.SshHost.openSession(SshHost.java:153)
at org.tmatesoft.svn.core.internal.io.svn.ssh.SshSessionPool.openSession(SshSessionPool.java:85)
at org.tmatesoft.svn.core.internal.io.svn.SVNSSHConnector.open(SVNSSHConnector.java:122)
... 27 more
Caused by: java.io.IOException: Key exchange was not finished, connection is closed.
at com.trilead.ssh2.transport.KexManager.getOrWaitForConnectionInfo(KexManager.java:92)
at com.trilead.ssh2.transport.TransportManager.getConnectionInfo(TransportManager.java:231)
at com.trilead.ssh2.Connection.connect(Connection.java:769)
... 31 more
Caused by: java.io.IOException: Cannot negotiate, proposals do not match.
at com.trilead.ssh2.transport.KexManager.handleMessage(KexManager.java:413)
at com.trilead.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:765)
at com.trilead.ssh2.transport.TransportManager$1.run(TransportManager.java:480)
at java.base/java.lang.Thread.run(Thread.java:834)
Any ideas?

I checked on server-side what is going on. So I called tail -f /var/log/auth.log and discovered a message that the client and the server was not able to agree on matching kex-algorithms.
Finally my solution was to enable the line
KexAlgorithms +diffie-hellman-group1-sha1
to the corresponding
/etc/ssh/sshd_config
File and restart the sshd-server.

Play framework : UnexpectedException: While applying class play.classloading.enhancers.LVEnhancer

I am using for the first time Play framework, on Ubuntu 14, with an existing project. When I try to run the application, I get the following error:
Internal Server Error (500) for request GET /
Oops: UnexpectedException
Unexpected error : While applying play.CorePlugin#44821a96 on models.BookingDTO, caused by exception UnexpectedException: While applying class play.classloading.enhancers.LVEnhancer on models.BookingDTO
play.exceptions.UnexpectedException: While applying play.CorePlugin#44821a96 on models.BookingDTO
at play.plugins.PluginCollection.enhance(PluginCollection.java:582)
at play.classloading.ApplicationClasses$ApplicationClass.enhance(ApplicationClasses.java:242)
at play.classloading.ApplicationClassloader.loadApplicationClass(ApplicationClassloader.java:164)
at play.classloading.ApplicationClassloader.getAllClasses(ApplicationClassloader.java:431)
at play.Play.start(Play.java:527)
at play.Play.detectChanges(Play.java:647)
at play.Invoker$Invocation.init(Invoker.java:205)
at Invocation.HTTP Request(Play!)
Caused by: play.exceptions.UnexpectedException: While applying class play.classloading.enhancers.LVEnhancer on models.BookingDTO
at play.CorePlugin.enhance(CorePlugin.java:314)
at play.plugins.PluginCollection.enhance(PluginCollection.java:577)
... 7 more
Caused by: play.exceptions.UnexpectedException: LVEnhancer: cannot enhance the behavior 'models.BookingDTO.findAllNextBookings(java.lang.String)'
at play.classloading.enhancers.LVEnhancer.enhanceThisClass(LVEnhancer.java:112)
at play.CorePlugin.enhance(CorePlugin.java:309)
... 8 more
Caused by: java.lang.NullPointerException
at bytecodeparser.CodeParser.parse(CodeParser.java:53)
at bytecodeparser.analysis.stack.StackAnalyzer.init(StackAnalyzer.java:91)
What's wrong?

Thank you very much for your answer.
I found the solution : I didn't have the version of javassist that didin't match with the project files.
With the Playframework 1.3, javassist-3.20xxx didn't work. I had to install javassist-3.19xxx

java.lang.ExceptionInInitializerError at activator.ActivatorCli$$anonfun$apply$1.apply$mcI$sp(ActivatorCli.sca la:21)

I am using git bash in windows. I downloaded and unzip the play framework and set the path also, but as soon as I run activator new it gives following error
$ activator new
java.lang.ExceptionInInitializerError
at activator.ActivatorCli$$anonfun$apply$1.apply$mcI$sp(ActivatorCli.sca
la:21)
at activator.ActivatorCli$$anonfun$apply$1.apply(ActivatorCli.scala:19)
at activator.ActivatorCli$$anonfun$apply$1.apply(ActivatorCli.scala:19)
at activator.ActivatorCli$.withContextClassloader(ActivatorCli.scala:179
)
at activator.ActivatorCli$.apply(ActivatorCli.scala:19)
at activator.ActivatorLauncher.run(ActivatorLauncher.scala:28)
at xsbt.boot.Launch$$anonfun$run$1.apply(Launch.scala:109)
at xsbt.boot.Launch$.withContextLoader(Launch.scala:129)
at xsbt.boot.Launch$.run(Launch.scala:109)
at xsbt.boot.Launch$$anonfun$apply$1.apply(Launch.scala:36)
at xsbt.boot.Launch$.launch(Launch.scala:117)
at xsbt.boot.Launch$.apply(Launch.scala:19)
at xsbt.boot.Boot$.runImpl(Boot.scala:44)
at xsbt.boot.Boot$.main(Boot.scala:20)
at xsbt.boot.Boot.main(Boot.scala)
Caused by: java.lang.RuntimeException: BAD URI: file://f:/Play/activator-1.2.10-
minimal
at activator.properties.ActivatorProperties.uriToFilename(ActivatorPrope
rties.java:106)
at activator.properties.ActivatorProperties.ACTIVATOR_HOME_FILENAME(Acti
vatorProperties.java:113)
at activator.properties.ActivatorProperties.ACTIVATOR_TEMPLATE_LOCAL_REP
O(ActivatorProperties.java:179)
at activator.UICacheHelper$.<init>(UICacheHelper.scala:31)
at activator.UICacheHelper$.<clinit>(UICacheHelper.scala)
... 15 more
Caused by: java.lang.IllegalArgumentException: URI has an authority component
at java.io.File.<init>(File.java:397)
at activator.properties.ActivatorProperties.uriToFilename(ActivatorPrope
rties.java:101)
... 19 more
Error during sbt execution: java.lang.ExceptionInInitializerError
can any one help how shall i proceed.

It is pretty much clear if you read your (own) stack trace carefully:
Caused by: java.lang.RuntimeException: BAD URI: file://f:/Play/activator-1.2.10-minimal
You are trying to access a file via an URI which is malformed.
A correct URI would be either file:/f:/Play/activator-1.2.10-minimal or file:///f:/Play/activator-1.2.10-minimal (see also this answer).

Amit... probably he dont know (how to) "play" ....
check this up...
https://github.com/typesafehub/activator/issues/648

Error in Hadoop Example

I am using hadoop1.1.1, while i am trying to execute wordcount example then i am getting eof exception while file in present on specified location.
Exception in thread "main" java.io.IOException: Call to
localhost/127.0.0.1:9100 failed on local exception:
java.io.EOFException
at org.apache.hadoop.ipc.Client.wrapException(Client.java:1144)
at org.apache.hadoop.ipc.Client.call(Client.java:1112)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)
at $Proxy1.getProtocolVersion(Unknown Source)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:411)
at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:135)
at org.apache.hadoop.hdfs.DFSClient.(DFSClient.java:276)
at org.apache.hadoop.hdfs.DFSClient.(DFSClient.java:241)
at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:100)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1411)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1429)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:254)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:123)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:238)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:187)
at org.apache.hadoop.mapreduce.lib.input.FileInputFormat.setInputPaths(FileInputFormat.java:352)
at WordCountDriver.main(WordCountDriver.java:32)
Caused by: java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:392)
at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:848)
at org.apache.hadoop.ipc.Client$Connection.run(Client.java:786)
Please help.