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From Josh Elser <josh.el...@gmail.com>
Subject Re: java.lang.VerifyError: Cannot inherit from final class
Date Sun, 15 Jul 2012 02:33:57 GMT
Can you post some more information about how you're running your program 
on your Windows client (specifically, the classpath)? Are you using 
something like Ant/Maven to manage dependencies? Also, what version of 
Java are you running on your Linode instance?


On 07/14/2012 08:27 PM, David Medinets wrote:
> This was unexpected. My code is simple but ran into a problem. I am
> connecting from my Windows computer to the Linode Ubuntu-based server
> running Accumulo. The same code worked when run directly on the
> server. I copied all jar files from the Accumulo lib directory after I
> compiled Accumulo over to the Windows computer.
>
> Here is the code:
>
>          String instanceName = "development";
> 		String zooKeepers = "zookeeper.affy.com";
>          String user = "root";
>          byte[] pass = "XXXXX".getBytes();
>          String tableName = "rope";
>
>          ZooKeeperInstance instance = new
> ZooKeeperInstance(instanceName, zooKeepers);
>          Connector connector = instance.getConnector(user, pass);
>
>          if (!connector.tableOperations().exists(tableName)) {
>              connector.tableOperations().create(tableName);
>          }
>
> And here is the output:
>
> START: com.codebits.accumulo.CreateTable
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:zookeeper.version=3.3.1-942149, built on 05/07/2010 17:14
> GMT
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client environment:host.name=aashi
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:java.version=1.7.0_04
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:java.vendor=Oracle Corporation
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:java.home=C:\Program Files (x86)\Java\jdk1.7.0_04\jre
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:java.class.path=...
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:java.io.tmpdir=C:\Users\medined\AppData\Local\Temp\
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:java.compiler=<NA>
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client environment:os.name=Windows 7
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client environment:os.arch=x86
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client environment:os.version=6.1
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client environment:user.name=medined
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:user.home=C:\Users\medined
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Client
> environment:user.dir=C:\eclipse_projects\accumulo_playground
> 12/07/14 19:55:02 INFO zookeeper.ZooKeeper: Initiating client
> connection, connectString=zookeeper.affy.com sessionTimeout=30000
> watcher=org.apache.accumulo.fate.zookeeper.ZooSession$ZooWatcher@11adeb7
> 12/07/14 19:55:02 INFO zookeeper.ClientCnxn: Opening socket connection
> to server zookeeper.affy.com/66.175.213.65:2181
> 12/07/14 19:55:02 INFO zookeeper.ClientCnxn: Socket connection
> established to zookeeper.affy.com/66.175.213.65:2181, initiating
> session
> 12/07/14 19:55:02 INFO zookeeper.ClientCnxn: Session establishment
> complete on server zookeeper.affy.com/66.175.213.65:2181, sessionid =
> 0x138823b14b64848, negotiated timeout = 30000
> 12/07/14 19:55:03 WARN impl.ServerClient: Failed to find an available
> server in the list of servers: [66.175.213.65:9997:9997 (120000)]
> Exception in thread "main" java.lang.VerifyError: Cannot inherit from
> final class
> 	at java.lang.ClassLoader.defineClass1(Native Method)
> 	at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
> 	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> 	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
> 	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
> 	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
> 	at org.apache.accumulo.core.util.ThriftUtil.<clinit>(ThriftUtil.java:79)
> 	at org.apache.accumulo.core.client.impl.ThriftTransportPool.createNewTransport(ThriftTransportPool.java:478)
> 	at org.apache.accumulo.core.client.impl.ThriftTransportPool.getAnyTransport(ThriftTransportPool.java:429)
> 	at org.apache.accumulo.core.client.impl.ServerClient.getConnection(ServerClient.java:144)
> 	at org.apache.accumulo.core.client.impl.ServerClient.getConnection(ServerClient.java:122)
> 	at org.apache.accumulo.core.client.impl.ServerClient.executeRaw(ServerClient.java:104)
> 	at org.apache.accumulo.core.client.impl.ServerClient.execute(ServerClient.java:70)
> 	at org.apache.accumulo.core.client.impl.ConnectorImpl.<init>(ConnectorImpl.java:76)
> 	at org.apache.accumulo.core.client.ZooKeeperInstance.getConnector(ZooKeeperInstance.java:218)
> 	at com.codebits.accumulo.CreateTable.doIt(CreateTable.java:22)
> 	at com.codebits.accumulo.CreateTable.main(CreateTable.java:33)

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