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From Flavio Pompermaier <pomperma...@okkam.it>
Subject ClassReader could not be created
Date Tue, 19 May 2015 10:49:37 GMT
Hi to all,

I tried to run my job on a brand new Flink cluster (0.9-SNAPSHOT) from the
web client using the shading strategy of the quickstart example but I get
this exception:

Caused by: java.lang.RuntimeException: Could not create ClassReader:
java.io.IOException: Class not found
at
org.apache.flink.api.java.ClosureCleaner.getClassReader(ClosureCleaner.java:42)
at
org.apache.flink.api.java.ClosureCleaner.cleanThis0(ClosureCleaner.java:67)
at org.apache.flink.api.java.ClosureCleaner.clean(ClosureCleaner.java:54)

It seems that it cannot find some kryo class..how do I fix this? this is my
shade plugin section of pom.xml:


<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>1.4</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<artifactSet>
<excludes>
<!-- This list contains all dependencies of flink-dist Everything
else will be packaged into the fat-jar -->
<exclude>org.apache.flink:flink-shaded-*</exclude>
<exclude>org.apache.flink:flink-core</exclude>
<exclude>org.apache.flink:flink-java</exclude>
<exclude>org.apache.flink:flink-scala</exclude>
<exclude>org.apache.flink:flink-runtime</exclude>
<exclude>org.apache.flink:flink-optimizer</exclude>
<exclude>org.apache.flink:flink-clients</exclude>
<exclude>org.apache.flink:flink-spargel</exclude>
<exclude>org.apache.flink:flink-avro</exclude>
<exclude>org.apache.flink:flink-java-examples</exclude>
<exclude>org.apache.flink:flink-scala-examples</exclude>
<exclude>org.apache.flink:flink-streaming-examples</exclude>
<exclude>org.apache.flink:flink-streaming-core</exclude>

<!-- Also exclude very big transitive dependencies of Flink WARNING:
You have to remove these excludes if your code relies on other versions of
these dependencies. -->
<exclude>org.scala-lang:scala-library</exclude>
<exclude>org.scala-lang:scala-compiler</exclude>
<exclude>org.scala-lang:scala-reflect</exclude>
<exclude>com.amazonaws:aws-java-sdk</exclude>
<exclude>com.typesafe.akka:akka-actor_*</exclude>
<exclude>com.typesafe.akka:akka-remote_*</exclude>
<exclude>com.typesafe.akka:akka-slf4j_*</exclude>
<exclude>io.netty:netty-all</exclude>
<exclude>io.netty:netty</exclude>
<exclude>org.eclipse.jetty:jetty-server</exclude>
<exclude>org.eclipse.jetty:jetty-continuation</exclude>
<exclude>org.eclipse.jetty:jetty-http</exclude>
<exclude>org.eclipse.jetty:jetty-io</exclude>
<exclude>org.eclipse.jetty:jetty-util</exclude>
<exclude>org.eclipse.jetty:jetty-security</exclude>
<exclude>org.eclipse.jetty:jetty-servlet</exclude>
<exclude>commons-fileupload:commons-fileupload</exclude>
<exclude>org.apache.avro:avro</exclude>
<exclude>commons-collections:commons-collections</exclude>
<exclude>org.codehaus.jackson:jackson-core-asl</exclude>
<exclude>org.codehaus.jackson:jackson-mapper-asl</exclude>
<exclude>com.thoughtworks.paranamer:paranamer</exclude>
<exclude>org.xerial.snappy:snappy-java</exclude>
<exclude>org.apache.commons:commons-compress</exclude>
<exclude>org.tukaani:xz</exclude>
<exclude>com.esotericsoftware.kryo:kryo</exclude>
<exclude>com.esotericsoftware.minlog:minlog</exclude>
<exclude>org.objenesis:objenesis</exclude>
<exclude>com.twitter:chill_*</exclude>
<exclude>com.twitter:chill-java</exclude>
<exclude>com.twitter:chill-avro_*</exclude>
<exclude>com.twitter:chill-bijection_*</exclude>
<exclude>com.twitter:bijection-core_*</exclude>
<exclude>com.twitter:bijection-avro_*</exclude>
<exclude>com.twitter:chill-protobuf</exclude>
<exclude>com.google.protobuf:protobuf-java</exclude>
<exclude>com.twitter:chill-thrift</exclude>
<exclude>org.apache.thrift:libthrift</exclude>
<exclude>commons-lang:commons-lang</exclude>
<exclude>junit:junit</exclude>
<exclude>de.javakaffee:kryo-serializers</exclude>
<exclude>joda-time:joda-time</exclude>
<exclude>org.apache.commons:commons-lang3</exclude>
<exclude>org.slf4j:slf4j-api</exclude>
<exclude>org.slf4j:slf4j-log4j12</exclude>
<exclude>log4j:log4j</exclude>
<exclude>org.apache.commons:commons-math</exclude>
<exclude>org.apache.sling:org.apache.sling.commons.json</exclude>
<exclude>commons-logging:commons-logging</exclude>
<exclude>org.apache.httpcomponents:httpclient</exclude>
<exclude>org.apache.httpcomponents:httpcore</exclude>
<exclude>commons-codec:commons-codec</exclude>
<exclude>com.fasterxml.jackson.core:jackson-core</exclude>
<exclude>com.fasterxml.jackson.core:jackson-databind</exclude>
<exclude>com.fasterxml.jackson.core:jackson-annotations</exclude>
<exclude>org.codehaus.jettison:jettison</exclude>
<exclude>stax:stax-api</exclude>
<exclude>com.typesafe:config</exclude>
<exclude>org.uncommons.maths:uncommons-maths</exclude>
<exclude>com.github.scopt:scopt_*</exclude>
<exclude>org.mortbay.jetty:servlet-api</exclude>
<exclude>commons-io:commons-io</exclude>
<exclude>commons-cli:commons-cli</exclude>
</excludes>
</artifactSet>
<filters>
<filter>
<artifact>org.apache.flink:*</artifact>
<excludes>
<exclude>org/apache/flink/shaded/**</exclude>
<exclude>web-docs/**</exclude>
</excludes>
</filter>
</filters>
<createDependencyReducedPom>false</createDependencyReducedPom>
<finalName>XXXX</finalName>
<transformers>
<!-- add Main-Class to manifest file -->
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Main-Class>XXX</Main-Class>
</manifestEntries>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>

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