43371

java.lang.NoClassDefFoundError: com/googlecode/concurrentlinkedhashmap/ConcurrentLinkedHashMap$Build

Question:

I am using OrientDB Native Java Driver for a simple connection to Orient DB Server. I am following <a href="https://github.com/orientechnologies/orientdb/wiki/Object-Database" rel="nofollow">OrientDb Github link</a> for basic setup instructions. I have added the five jars mentioned in the github link, orient-commons-*.jar, orientdb-core-*.jar, orientdb-object-*.jar, orientdb-client-*.jar, orientdb-enterprise-*.jar. However, I am still facing below error. I googled and couldn't find any answer regarding which jar file am I missing? Please advise.

Exception in thread "main" java.lang.NoClassDefFoundError: com/googlecode/concurrentlinkedhashmap/ConcurrentLinkedHashMap$Builder at com.orientechnologies.orient.core.db.record.ridbag.sbtree.OSBTreeCollectionManagerAbstract.<init>(OSBTreeCollectionManagerAbstract.java:22) at com.orientechnologies.orient.core.db.record.ridbag.sbtree.OSBTreeCollectionManagerAbstract.<init>(OSBTreeCollectionManagerAbstract.java:28) at com.orientechnologies.orient.client.remote.OSBTreeCollectionManagerRemote.<init>(OSBTreeCollectionManagerRemote.java:34) [... removed lines ... ] com.orientechnologies.orient.core.db.ODatabaseWrapperAbstract.open(ODatabaseWrapperAbstract.java:54) at com.orientechnologies.orient.core.db.ODatabaseWrapperAbstract.open(ODatabaseWrapperAbstract.java:54) at com.orientechnologies.orient.object.db.OObjectDatabaseTx.open(OObjectDatabaseTx.java:102) at org.poc.orientdb.jdbc.OrientJDBC.<init>(OrientJDBC.java:18) at org.poc.orientdb.jdbc.OrientJDBC.main(OrientJDBC.java:32) Caused by: java.lang.ClassNotFoundException: com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap$Builder at java.net.URLClassLoader$1.run(URLClassLoader.java:366) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ... 18 more

Answer1:

not sure whether this will help you or not but looks like the class you mentioned is in the "concurrentlinkedhashmap-lru-1.1.jar"

<a href="http://mvnrepository.com/artifact/com.googlecode.concurrentlinkedhashmap/concurrentlinkedhashmap-lru/1.1" rel="nofollow">http://mvnrepository.com/artifact/com.googlecode.concurrentlinkedhashmap/concurrentlinkedhashmap-lru/1.1</a>

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