Exiting because java.lang.IncompatibleClassChangeError: Implementing class

[Sami Onur Zaim]

Hello,

I upgraded my sdfs 2.0.11 to 3.0.4 on my centos 7.1 server. I can't get sdfs working.

I followed the quickstart guide. I also installed zulu jre.

Running Program SDFS Version 3.0.4

reading config file = /etc/sdfs/backup00-volume-cfg.xml

java.lang.IncompatibleClassChangeError: Implementing class

        at java.lang.ClassLoader.defineClass1(Native Method)

        at java.lang.ClassLoader.defineClass(ClassLoader.java:760)

        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

        at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)

        at java.net.URLClassLoader.access$100(URLClassLoader.java:73)

        at java.net.URLClassLoader$1.run(URLClassLoader.java:368)

        at java.net.URLClassLoader$1.run(URLClassLoader.java:362)

        at java.security.AccessController.doPrivileged(Native Method)

        at java.net.URLClassLoader.findClass(URLClassLoader.java:361)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

        at org.simpleframework.http.core.ContainerTransportProcessor.<init>(ContainerTransportProcessor.java:71)

        at org.simpleframework.http.core.ContainerSocketProcessor.<init>(ContainerSocketProcessor.java:129)

        at org.simpleframework.http.core.ContainerSocketProcessor.<init>(ContainerSocketProcessor.java:90)

        at org.simpleframework.http.core.ContainerSocketProcessor.<init>(ContainerSocketProcessor.java:77)

        at org.opendedup.sdfs.mgmt.MgmtWebServer.start(MgmtWebServer.java:852)

        at org.opendedup.sdfs.servers.SDFSService.start(SDFSService.java:50)

        at fuse.SDFS.MountSDFS.setup(MountSDFS.java:200)

        at fuse.SDFS.MountSDFS.init(MountSDFS.java:235)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:497)

        at org.apache.commons.daemon.support.DaemonLoader.load(DaemonLoader.java:207)

Exiting because java.lang.IncompatibleClassChangeError: Implementing class

Service exit with a return value of 255

How can I fix this?

[Sam Silverberg]

2.0.11 is not compatible with 3.0.4 . I would suggest you create a new 3.0.4 volume and then copy the data over.

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[Sami Onur Zaim]

I understand.

I did 

# yum remove SDFS

# rpm -e sdfs

# rm /usr/share/sdfs -rf

# rm /etc/sdfs -rf

also removed chunk files.

After this I installed the rpm and created partitions again.

It looks like everything is working fine.

Thanks

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