So i have some more information for you Its a two phase exception
When i restart the interpreter i get this exception java.io.IOException: Invalid argument at java.io.WinNTFileSystem.canonicalize0(Native Method) at java.io.WinNTFileSystem.canonicalize(WinNTFileSystem.java:428) at java.io.File.getCanonicalPath(File.java:618) at org.fusesource.scalate.util.ClassPathBuilder$$anonfun$getClassPathFrom$3.apply(ClassPathBuilder.scala:147) at org.fusesource.scalate.util.ClassPathBuilder$$anonfun$getClassPathFrom$3.apply(ClassPathBuilder.scala:142) at scala.collection.TraversableLike$WithFilter$$anonfun$map$2.apply(TraversableLike.scala:728) at scala.collection.immutable.List.foreach(List.scala:381) at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:727) at org.fusesource.scalate.util.ClassPathBuilder$.getClassPathFrom(ClassPathBuilder.scala:142) at org.fusesource.scalate.util.ClassPathBuilder.addPathFrom(ClassPathBuilder.scala:68) at org.fusesource.scalate.util.ClassPathBuilder.addPathFromContextClassLoader(ClassPathBuilder.scala:73) at org.fusesource.scalate.support.ScalaCompiler.generateSettings(ScalaCompiler.scala:121) at org.fusesource.scalate.support.ScalaCompiler.<init>(ScalaCompiler.scala:59) at org.fusesource.scalate.support.ScalaCompiler$.create(ScalaCompiler.scala:42) at org.fusesource.scalate.TemplateEngine.createCompiler(TemplateEngine.scala:231) at org.fusesource.scalate.TemplateEngine.compiler$lzycompute(TemplateEngine.scala:221) at org.fusesource.scalate.TemplateEngine.compiler(TemplateEngine.scala:221) at org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:757) at org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:699) at org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:419) at org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:413) at org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:471) at org.fusesource.scalate.TemplateEngine.layout(TemplateEngine.scala:573) at org.apache.zeppelin.cassandra.DisplaySystem$NoResultDisplay$.<init>(DisplaySystem.scala:369) at org.apache.zeppelin.cassandra.DisplaySystem$NoResultDisplay$.<clinit>(DisplaySystem.scala) at org.apache.zeppelin.cassandra.EnhancedSession.<init>(EnhancedSession.scala:40) at org.apache.zeppelin.cassandra.InterpreterLogic.<init>(InterpreterLogic.scala:98) at org.apache.zeppelin.cassandra.CassandraInterpreter.open(CassandraInterpreter.java:231) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:70) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:491) at org.apache.zeppelin.scheduler.Job.run(Job.java:175) at org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner.run(ParallelScheduler.java:162) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) After the second run it is always this java.lang.NoClassDefFoundError: Could not initialize class org.apache.zeppelin.cassandra.DisplaySystem$NoResultDisplay$ at org.apache.zeppelin.cassandra.EnhancedSession.<init>( EnhancedSession.scala:40) at org.apache.zeppelin.cassandra.InterpreterLogic.<init>( InterpreterLogic.scala:98) at org.apache.zeppelin.cassandra.CassandraInterpreter.open( CassandraInterpreter.java:231) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open( LazyOpenInterpreter.java:70) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$ InterpretJob.jobRun(RemoteInterpreterServer.java:491) at org.apache.zeppelin.scheduler.Job.run(Job.java:175) at org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner. run(ParallelScheduler.java:162) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run( ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker( ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run( ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) I attached a remoter debugger to to the cassandra interpreter and found out that the first exception is related to this class ( I have downloaded the scalate source files for debugging ) scalate-util\src\main\scala\org\fusesource\scalate\util\ClassPathBuilder.scala There is a method def getClassPathFrom(classLoader: ClassLoader): Seq[String] in the ClassPathBuilder companion object I set a breakpoint in the for comprehension ( case cl: URLClassLoader => ) and debugged the cl.getURLs.toList expression This is the output 0 = {URL@4550} "file:/D:/zeppelin/bin/" 1 = {URL@4551} "file:/D:/zeppelin/interpreter/cassandra/cassandra-driver-core-3.0.1.jar" 2 = {URL@4552} "file:/D:/zeppelin/interpreter/cassandra/commons-lang3-3.3.2.jar" 3 = {URL@4553} "file:/D:/zeppelin/interpreter/cassandra/guava-16.0.1.jar" 4 = {URL@4554} "file:/D:/zeppelin/interpreter/cassandra/lz4-1.3.0.jar" 5 = {URL@4555} "file:/D:/zeppelin/interpreter/cassandra/metrics-core-3.1.2.jar" 6 = {URL@4556} "file:/D:/zeppelin/interpreter/cassandra/netty-buffer-4.0.33.Final.jar" 7 = {URL@4557} "file:/D:/zeppelin/interpreter/cassandra/netty-codec-4.0.33.Final.jar" 8 = {URL@4558} "file:/D:/zeppelin/interpreter/cassandra/netty-common-4.0.33.Final.jar" 9 = {URL@4559} "file:/D:/zeppelin/interpreter/cassandra/netty-handler-4.0.33.Final.jar" 10 = {URL@4560} "file:/D:/zeppelin/interpreter/cassandra/netty-transport-4.0.33.Final.jar" 11 = {URL@4561} "file:/D:/zeppelin/interpreter/cassandra/scala-compiler-2.11.7.jar" 12 = {URL@4562} "file:/D:/zeppelin/interpreter/cassandra/scala-library-2.11.7.jar" 13 = {URL@4563} "file:/D:/zeppelin/interpreter/cassandra/scala-parser-combinators_2.11-1.0.4.jar" 14 = {URL@4564} "file:/D:/zeppelin/interpreter/cassandra/scala-reflect-2.11.7.jar" 15 = {URL@4565} "file:/D:/zeppelin/interpreter/cassandra/scala-xml_2.11-1.0.4.jar" 16 = {URL@4566} "file:/D:/zeppelin/interpreter/cassandra/scalate-core_2.11-1.7.1.jar" 17 = {URL@4567} "file:/D:/zeppelin/interpreter/cassandra/scalate-util_2.11-1.7.1.jar" 18 = {URL@4568} "file:/D:/zeppelin/interpreter/cassandra/slf4j-api-1.7.10.jar" 19 = {URL@4569} "file:/D:/zeppelin/interpreter/cassandra/snappy-java-1.0.5.4.jar" 20 = {URL@4570} "file:/D:/zeppelin/interpreter/cassandra/zeppelin-cassandra_2.11-0.7.3.jar" 21 = {URL@4571} "file:/D:/zeppelin/lib/interpreter/aether-api-1.12.jar" 22 = {URL@4572} "file:/D:/zeppelin/lib/interpreter/aether-connector-file-1.12.jar" 23 = {URL@4573} "file:/D:/zeppelin/lib/interpreter/aether-connector-wagon-1.12.jar" 24 = {URL@4574} "file:/D:/zeppelin/lib/interpreter/aether-impl-1.12.jar" 25 = {URL@4575} "file:/D:/zeppelin/lib/interpreter/aether-spi-1.12.jar" 26 = {URL@4576} "file:/D:/zeppelin/lib/interpreter/aether-util-1.12.jar" 27 = {URL@4577} "file:/D:/zeppelin/lib/interpreter/commons-codec-1.5.jar" 28 = {URL@4578} "file:/D:/zeppelin/lib/interpreter/commons-exec-1.3.jar" 29 = {URL@4579} "file:/D:/zeppelin/lib/interpreter/commons-httpclient-3.1.jar" 30 = {URL@4580} "file:/D:/zeppelin/lib/interpreter/commons-io-2.4.jar" 31 = {URL@4581} "file:/D:/zeppelin/lib/interpreter/commons-lang-2.5.jar" 32 = {URL@4582} "file:/D:/zeppelin/lib/interpreter/commons-logging-1.1.1.jar" 33 = {URL@4583} "file:/D:/zeppelin/lib/interpreter/commons-pool2-2.3.jar" 34 = {URL@4584} "file:/D:/zeppelin/lib/interpreter/gson-2.2.jar" 35 = {URL@4585} "file:/D:/zeppelin/lib/interpreter/httpclient-4.5.1.jar" 36 = {URL@4586} "file:/D:/zeppelin/lib/interpreter/httpcore-4.4.1.jar" 37 = {URL@4587} "file:/D:/zeppelin/lib/interpreter/jsoup-1.6.1.jar" 38 = {URL@4588} "file:/D:/zeppelin/lib/interpreter/libthrift-0.9.2.jar" 39 = {URL@4589} "file:/D:/zeppelin/lib/interpreter/log4j-1.2.17.jar" 40 = {URL@4590} "file:/D:/zeppelin/lib/interpreter/maven-aether-provider-3.0.3.jar" 41 = {URL@4591} "file:/D:/zeppelin/lib/interpreter/maven-artifact-3.0.jar" 42 = {URL@4592} "file:/D:/zeppelin/lib/interpreter/maven-model-3.0.3.jar" 43 = {URL@4593} "file:/D:/zeppelin/lib/interpreter/maven-model-builder-3.0.3.jar" 44 = {URL@4594} "file:/D:/zeppelin/lib/interpreter/maven-plugin-api-3.0.jar" 45 = {URL@4595} "file:/D:/zeppelin/lib/interpreter/maven-repository-metadata-3.0.3.jar" 46 = {URL@4596} "file:/D:/zeppelin/lib/interpreter/plexus-classworlds-2.4.jar" 47 = {URL@4597} "file:/D:/zeppelin/lib/interpreter/plexus-component-annotations-1.5.5.jar" 48 = {URL@4598} "file:/D:/zeppelin/lib/interpreter/plexus-interpolation-1.14.jar" 49 = {URL@4599} "file:/D:/zeppelin/lib/interpreter/plexus-utils-2.0.7.jar" 50 = {URL@4600} "file:/D:/zeppelin/lib/interpreter/sisu-guice-3.0.2-no_aop.jar" 51 = {URL@4601} "file:/D:/zeppelin/lib/interpreter/sisu-inject-bean-2.2.2.jar" 52 = {URL@4602} "file:/D:/zeppelin/lib/interpreter/sisu-inject-plexus-2.2.2.jar" 53 = {URL@4603} "file:/D:/zeppelin/lib/interpreter/slf4j-api-1.7.10.jar" 54 = {URL@4604} "file:/D:/zeppelin/lib/interpreter/slf4j-log4j12-1.7.10.jar" 55 = {URL@4605} "file:/D:/zeppelin/lib/interpreter/wagon-http-1.0.jar" 56 = {URL@4606} "file:/D:/zeppelin/lib/interpreter/wagon-http-lightweight-1.0.jar" 57 = {URL@4607} "file:/D:/zeppelin/lib/interpreter/wagon-http-shared-1.0.jar" 58 = {URL@4608} "file:/D:/zeppelin/lib/interpreter/wagon-provider-api-1.0.jar" 59 = {URL@4609} "file:/D:/zeppelin/lib/interpreter/zeppelin-interpreter-0.7.3.jar" 60 = {URL@4610} "file:/D:/zeppelin/lib/interpreter/aether-api-1.12.jar" 61 = {URL@4611} "file:/D:/zeppelin/lib/interpreter/aether-connector-file-1.12.jar" 62 = {URL@4612} "file:/D:/zeppelin/lib/interpreter/aether-connector-wagon-1.12.jar" 63 = {URL@4613} "file:/D:/zeppelin/lib/interpreter/aether-impl-1.12.jar" 64 = {URL@4614} "file:/D:/zeppelin/lib/interpreter/aether-spi-1.12.jar" 65 = {URL@4615} "file:/D:/zeppelin/lib/interpreter/aether-util-1.12.jar" 66 = {URL@4616} "file:/D:/zeppelin/lib/interpreter/commons-codec-1.5.jar" 67 = {URL@4617} "file:/D:/zeppelin/lib/interpreter/commons-exec-1.3.jar" 68 = {URL@4618} "file:/D:/zeppelin/lib/interpreter/commons-httpclient-3.1.jar" 69 = {URL@4619} "file:/D:/zeppelin/lib/interpreter/commons-io-2.4.jar" 70 = {URL@4620} "file:/D:/zeppelin/lib/interpreter/commons-lang-2.5.jar" 71 = {URL@4621} "file:/D:/zeppelin/lib/interpreter/commons-logging-1.1.1.jar" 72 = {URL@4622} "file:/D:/zeppelin/lib/interpreter/commons-pool2-2.3.jar" 73 = {URL@4623} "file:/D:/zeppelin/lib/interpreter/gson-2.2.jar" 74 = {URL@4624} "file:/D:/zeppelin/lib/interpreter/httpclient-4.5.1.jar" 75 = {URL@4625} "file:/D:/zeppelin/lib/interpreter/httpcore-4.4.1.jar" 76 = {URL@4626} "file:/D:/zeppelin/lib/interpreter/jsoup-1.6.1.jar" 77 = {URL@4627} "file:/D:/zeppelin/lib/interpreter/libthrift-0.9.2.jar" 78 = {URL@4628} "file:/D:/zeppelin/lib/interpreter/log4j-1.2.17.jar" 79 = {URL@4629} "file:/D:/zeppelin/lib/interpreter/maven-aether-provider-3.0.3.jar" 80 = {URL@4630} "file:/D:/zeppelin/lib/interpreter/maven-artifact-3.0.jar" 81 = {URL@4631} "file:/D:/zeppelin/lib/interpreter/maven-model-3.0.3.jar" 82 = {URL@4632} "file:/D:/zeppelin/lib/interpreter/maven-model-builder-3.0.3.jar" 83 = {URL@4633} "file:/D:/zeppelin/lib/interpreter/maven-plugin-api-3.0.jar" 84 = {URL@4634} "file:/D:/zeppelin/lib/interpreter/maven-repository-metadata-3.0.3.jar" 85 = {URL@4635} "file:/D:/zeppelin/lib/interpreter/plexus-classworlds-2.4.jar" 86 = {URL@4636} "file:/D:/zeppelin/lib/interpreter/plexus-component-annotations-1.5.5.jar" 87 = {URL@4637} "file:/D:/zeppelin/lib/interpreter/plexus-interpolation-1.14.jar" 88 = {URL@4638} "file:/D:/zeppelin/lib/interpreter/plexus-utils-2.0.7.jar" 89 = {URL@4639} "file:/D:/zeppelin/lib/interpreter/sisu-guice-3.0.2-no_aop.jar" 90 = {URL@4640} "file:/D:/zeppelin/lib/interpreter/sisu-inject-bean-2.2.2.jar" 91 = {URL@4641} "file:/D:/zeppelin/lib/interpreter/sisu-inject-plexus-2.2.2.jar" 92 = {URL@4642} "file:/D:/zeppelin/lib/interpreter/slf4j-api-1.7.10.jar" 93 = {URL@4643} "file:/D:/zeppelin/lib/interpreter/slf4j-log4j12-1.7.10.jar" 94 = {URL@4644} "file:/D:/zeppelin/lib/interpreter/wagon-http-1.0.jar" 95 = {URL@4645} "file:/D:/zeppelin/lib/interpreter/wagon-http-lightweight-1.0.jar" 96 = {URL@4646} "file:/D:/zeppelin/lib/interpreter/wagon-http-shared-1.0.jar" 97 = {URL@4647} "file:/D:/zeppelin/lib/interpreter/wagon-provider-api-1.0.jar" 98 = {URL@4648} "file:/D:/zeppelin/lib/interpreter/zeppelin-interpreter-0.7.3.jar" 99 = {URL@4649} "file:/D:/zeppelin/lib/apacheds-i18n-2.0.0-M15.jar" 100 = {URL@4751} "file:/D:/zeppelin/lib/apacheds-kerberos-codec-2.0.0-M15.jar" 101 = {URL@4752} "file:/D:/zeppelin/lib/api-asn1-api-1.0.0-M20.jar" 102 = {URL@4753} "file:/D:/zeppelin/lib/api-util-1.0.0-M20.jar" 103 = {URL@4754} "file:/D:/zeppelin/lib/asm-3.1.jar" 104 = {URL@4755} "file:/D:/zeppelin/lib/aws-java-sdk-core-1.10.62.jar" 105 = {URL@4756} "file:/D:/zeppelin/lib/aws-java-sdk-kms-1.10.62.jar" 106 = {URL@4757} "file:/D:/zeppelin/lib/aws-java-sdk-s3-1.10.62.jar" 107 = {URL@4758} "file:/D:/zeppelin/lib/azure-storage-4.0.0.jar" 108 = {URL@4759} "file:/D:/zeppelin/lib/c3p0-0.9.1.1.jar" 109 = {URL@4760} "file:/D:/zeppelin/lib/commons-beanutils-1.8.3.jar" 110 = {URL@4761} "file:/D:/zeppelin/lib/commons-cli-1.2.jar" 111 = {URL@4762} "file:/D:/zeppelin/lib/commons-codec-1.5.jar" 112 = {URL@4763} "file:/D:/zeppelin/lib/commons-collections-3.2.1.jar" 113 = {URL@4764} "file:/D:/zeppelin/lib/commons-compress-1.5.jar" 114 = {URL@4765} "file:/D:/zeppelin/lib/commons-configuration-1.9.jar" 115 = {URL@4766} "file:/D:/zeppelin/lib/commons-el-1.0.jar" 116 = {URL@4767} "file:/D:/zeppelin/lib/commons-io-2.4.jar" 117 = {URL@4768} "file:/D:/zeppelin/lib/commons-lang-2.5.jar" 118 = {URL@4769} "file:/D:/zeppelin/lib/commons-lang3-3.4.jar" 119 = {URL@4770} "file:/D:/zeppelin/lib/commons-logging-1.1.1.jar" 120 = {URL@4771} "file:/D:/zeppelin/lib/commons-math3-3.1.1.jar" 121 = {URL@4772} "file:/D:/zeppelin/lib/commons-net-3.1.jar" 122 = {URL@4773} "file:/D:/zeppelin/lib/commons-vfs2-2.0.jar" 123 = {URL@4774} "file:/D:/zeppelin/lib/curator-client-2.6.0.jar" 124 = {URL@4775} "file:/D:/zeppelin/lib/curator-framework-2.6.0.jar" 125 = {URL@4776} "file:/D:/zeppelin/lib/curator-recipes-2.6.0.jar" 126 = {URL@4777} "file:/D:/zeppelin/lib/cxf-api-2.7.8.jar" 127 = {URL@4778} "file:/D:/zeppelin/lib/cxf-rt-bindings-xml-2.7.8.jar" 128 = {URL@4779} "file:/D:/zeppelin/lib/cxf-rt-core-2.7.8.jar" 129 = {URL@4780} "file:/D:/zeppelin/lib/cxf-rt-frontend-jaxrs-2.7.8.jar" 130 = {URL@4781} "file:/D:/zeppelin/lib/cxf-rt-transports-http-2.7.8.jar" 131 = {URL@4782} "file:/D:/zeppelin/lib/cxf-rt-transports-http-jetty-2.7.8.jar" 132 = {URL@4783} "file:/D:/zeppelin/lib/dom4j-1.6.1.jar" 133 = {URL@4784} "file:/D:/zeppelin/lib/frontend-maven-plugin-1.3.jar" 134 = {URL@4785} "file:/D:/zeppelin/lib/frontend-plugin-core-1.3.jar" 135 = {URL@4786} "file:/D:/zeppelin/lib/geronimo-javamail_1.4_spec-1.7.1.jar" 136 = {URL@4787} "file:/D:/zeppelin/lib/geronimo-servlet_3.0_spec-1.0.jar" 137 = {URL@4788} "file:/D:/zeppelin/lib/gson-2.2.jar" 138 = {URL@4789} "file:/D:/zeppelin/lib/guava-15.0.jar" 139 = {URL@4790} "file:/D:/zeppelin/lib/hadoop-annotations-2.6.0.jar" 140 = {URL@4791} "file:/D:/zeppelin/lib/hadoop-auth-2.6.0.jar" 141 = {URL@4792} "file:/D:/zeppelin/lib/hadoop-common-2.6.0.jar" 142 = {URL@4793} "file:/D:/zeppelin/lib/htrace-core-3.0.4.jar" 143 = {URL@4794} "file:/D:/zeppelin/lib/httpasyncclient-4.0.2.jar" 144 = {URL@4795} "file:/D:/zeppelin/lib/httpclient-4.5.1.jar" 145 = {URL@4796} "file:/D:/zeppelin/lib/httpcore-4.4.1.jar" 146 = {URL@4797} "file:/D:/zeppelin/lib/httpcore-nio-4.3.2.jar" 147 = {URL@4798} "file:/D:/zeppelin/lib/jackrabbit-jcr-commons-1.5.2.jar" 148 = {URL@4799} "file:/D:/zeppelin/lib/jackrabbit-webdav-1.5.2.jar" 149 = {URL@4800} "file:/D:/zeppelin/lib/jackson-annotations-2.5.0.jar" 150 = {URL@4801} "file:/D:/zeppelin/lib/jackson-core-2.5.3.jar" 151 = {URL@4802} "file:/D:/zeppelin/lib/jackson-core-asl-1.9.13.jar" 152 = {URL@4803} "file:/D:/zeppelin/lib/jackson-databind-2.5.3.jar" 153 = {URL@4804} "file:/D:/zeppelin/lib/jackson-mapper-asl-1.9.13.jar" 154 = {URL@4805} "file:/D:/zeppelin/lib/jasper-compiler-5.5.23.jar" 155 = {URL@4806} "file:/D:/zeppelin/lib/jasper-runtime-5.5.23.jar" 156 = {URL@4807} "file:/D:/zeppelin/lib/java-xmlbuilder-0.4.jar" 157 = {URL@4808} "file:/D:/zeppelin/lib/JavaEWAH-0.7.9.jar" 158 = {URL@4809} "file:/D:/zeppelin/lib/javassist-3.12.1.GA.jar" 159 = {URL@4810} "file:/D:/zeppelin/lib/javax.servlet-api-3.1.0.jar" 160 = {URL@4811} "file:/D:/zeppelin/lib/javax.ws.rs-api-2.0-m10.jar" 161 = {URL@4812} "file:/D:/zeppelin/lib/jaxb-impl-2.2.6.jar" 162 = {URL@4813} "file:/D:/zeppelin/lib/jersey-core-1.13.jar" 163 = {URL@4814} "file:/D:/zeppelin/lib/jersey-server-1.13.jar" 164 = {URL@4815} "file:/D:/zeppelin/lib/jersey-servlet-1.13.jar" 165 = {URL@4816} "file:/D:/zeppelin/lib/jets3t-0.9.0.jar" 166 = {URL@4817} "file:/D:/zeppelin/lib/jetty-6.1.26.jar" 167 = {URL@4818} "file:/D:/zeppelin/lib/jetty-client-9.2.15.v20160210.jar" 168 = {URL@4819} "file:/D:/zeppelin/lib/jetty-http-9.2.15.v20160210.jar" 169 = {URL@4820} "file:/D:/zeppelin/lib/jetty-io-9.2.15.v20160210.jar" 170 = {URL@4821} "file:/D:/zeppelin/lib/jetty-security-9.2.15.v20160210.jar" 171 = {URL@4822} "file:/D:/zeppelin/lib/jetty-server-9.2.15.v20160210.jar" 172 = {URL@4823} "file:/D:/zeppelin/lib/jetty-servlet-9.2.15.v20160210.jar" 173 = {URL@4824} "file:/D:/zeppelin/lib/jetty-util-6.1.26.jar" 174 = {URL@4825} "file:/D:/zeppelin/lib/jetty-util-9.2.15.v20160210.jar" 175 = {URL@4826} "file:/D:/zeppelin/lib/jetty-webapp-9.2.15.v20160210.jar" 176 = {URL@4827} "file:/D:/zeppelin/lib/jetty-xml-9.2.15.v20160210.jar" 177 = {URL@4828} "file:/D:/zeppelin/lib/jna-4.1.0.jar" 178 = {URL@4829} "file:/D:/zeppelin/lib/joda-time-2.8.1.jar" 179 = {URL@4830} "file:/D:/zeppelin/lib/jsch-0.1.53.jar" 180 = {URL@4831} "file:/D:/zeppelin/lib/jsp-api-2.1.jar" 181 = {URL@4832} "file:/D:/zeppelin/lib/jsr305-1.3.9.jar" 182 = {URL@4833} "file:/D:/zeppelin/lib/libpam4j-1.8.jar" 183 = {URL@4834} "file:/D:/zeppelin/lib/log4j-1.2.17.jar" 184 = {URL@4835} "file:/D:/zeppelin/lib/lucene-analyzers-common-5.3.1.jar" 185 = {URL@4836} "file:/D:/zeppelin/lib/lucene-core-5.3.1.jar" 186 = {URL@4837} "file:/D:/zeppelin/lib/lucene-highlighter-5.3.1.jar" 187 = {URL@4838} "file:/D:/zeppelin/lib/lucene-join-5.3.1.jar" 188 = {URL@4839} "file:/D:/zeppelin/lib/lucene-memory-5.3.1.jar" 189 = {URL@4840} "file:/D:/zeppelin/lib/lucene-queries-5.3.1.jar" 190 = {URL@4841} "file:/D:/zeppelin/lib/lucene-queryparser-5.3.1.jar" 191 = {URL@4842} "file:/D:/zeppelin/lib/lucene-sandbox-5.3.1.jar" 192 = {URL@4843} "file:/D:/zeppelin/lib/maven-plugin-annotations-3.2.jar" 193 = {URL@4844} "file:/D:/zeppelin/lib/maven-scm-api-1.4.jar" 194 = {URL@4845} "file:/D:/zeppelin/lib/maven-scm-provider-svn-commons-1.4.jar" 195 = {URL@4846} "file:/D:/zeppelin/lib/maven-scm-provider-svnexe-1.4.jar" 196 = {URL@4847} "file:/D:/zeppelin/lib/org.eclipse.jdt.annotation-1.1.0.jar" 197 = {URL@4848} "file:/D:/zeppelin/lib/org.eclipse.jgit-4.1.1.201511131810-r.jar" 198 = {URL@4849} "file:/D:/zeppelin/lib/plexus-build-api-0.0.7.jar" 199 = {URL@4850} "file:/D:/zeppelin/lib/protobuf-java-2.5.0.jar" 200 = {URL@4953} "file:/D:/zeppelin/lib/quartz-2.2.1.jar" 201 = {URL@4954} "file:/D:/zeppelin/lib/reflections-0.9.8.jar" 202 = {URL@4955} "file:/D:/zeppelin/lib/regexp-1.3.jar" 203 = {URL@4956} "file:/D:/zeppelin/lib/scala-compiler-2.11.7.jar" 204 = {URL@4957} "file:/D:/zeppelin/lib/scala-library-2.11.7.jar" 205 = {URL@4958} "file:/D:/zeppelin/lib/scala-parser-combinators_2.11-1.0.4.jar" 206 = {URL@4959} "file:/D:/zeppelin/lib/scala-reflect-2.11.7.jar" 207 = {URL@4960} "file:/D:/zeppelin/lib/scala-xml_2.11-1.0.2.jar" 208 = {URL@4961} "file:/D:/zeppelin/lib/shiro-core-1.2.3.jar" 209 = {URL@4962} "file:/D:/zeppelin/lib/shiro-web-1.2.3.jar" 210 = {URL@4963} "file:/D:/zeppelin/lib/slf4j-api-1.7.10.jar" 211 = {URL@4964} "file:/D:/zeppelin/lib/slf4j-log4j12-1.7.10.jar" 212 = {URL@4965} "file:/D:/zeppelin/lib/stax2-api-3.1.1.jar" 213 = {URL@4966} "file:/D:/zeppelin/lib/websocket-api-9.2.15.v20160210.jar" 214 = {URL@4967} "file:/D:/zeppelin/lib/websocket-client-9.2.15.v20160210.jar" 215 = {URL@4968} "file:/D:/zeppelin/lib/websocket-common-9.2.15.v20160210.jar" 216 = {URL@4969} "file:/D:/zeppelin/lib/websocket-server-9.2.15.v20160210.jar" 217 = {URL@4970} "file:/D:/zeppelin/lib/websocket-servlet-9.2.15.v20160210.jar" 218 = {URL@4971} "file:/D:/zeppelin/lib/woodstox-core-asl-4.2.0.jar" 219 = {URL@4972} "file:/D:/zeppelin/lib/wsdl4j-1.6.3.jar" 220 = {URL@4973} "file:/D:/zeppelin/lib/xml-apis-1.4.01.jar" 221 = {URL@4974} "file:/D:/zeppelin/lib/xmlenc-0.52.jar" 222 = {URL@4975} "file:/D:/zeppelin/lib/xmlschema-core-2.0.3.jar" 223 = {URL@4976} "file:/D:/zeppelin/lib/xz-1.2.jar" 224 = {URL@4977} "file:/D:/zeppelin/lib/zeppelin-server-0.7.3.jar" 225 = {URL@4978} "file:/D:/zeppelin/lib/zeppelin-zengine-0.7.3.jar" *226 = {URL@4979} "file:/D:/zeppelin/*"* 227 = {URL@4980} "file:/D:/zeppelin/conf/" 228 = {URL@4981} "file:/D:/zeppelin/conf/" The comprehension yields a *new File(path).getCanonicalPath* This works well until *file:/D:/zeppelin/** This leads to cause = {IOException@5325} "java.io.IOException: Invalid argument" detailMessage = "Invalid argument" cause = {IOException@5325} "java.io.IOException: Invalid argument" detailMessage = "Invalid argument" cause = {IOException@5325} "java.io.IOException: Invalid argument" stackTrace = {StackTraceElement[39]@6804} 0 = {StackTraceElement@5328} "java.io.WinNTFileSystem.canonicalize0(Native Method)" 1 = {StackTraceElement@5329} "java.io.WinNTFileSystem.canonicalize(WinNTFileSystem.java:428)" 2 = {StackTraceElement@5330} "java.io.File.getCanonicalPath(File.java:618)" 3 = {StackTraceElement@5331} "org.fusesource.scalate.util.ClassPathBuilder$$anonfun$getClassPathFrom$3.apply(ClassPathBuilder.scala:147)" 4 = {StackTraceElement@5332} "org.fusesource.scalate.util.ClassPathBuilder$$anonfun$getClassPathFrom$3.apply(ClassPathBuilder.scala:142)" 5 = {StackTraceElement@5333} "scala.collection.TraversableLike$WithFilter$$anonfun$map$2.apply(TraversableLike.scala:728)" 6 = {StackTraceElement@5334} "scala.collection.immutable.List.foreach(List.scala:381)" 7 = {StackTraceElement@5335} "scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:727)" 8 = {StackTraceElement@5336} "org.fusesource.scalate.util.ClassPathBuilder$.getClassPathFrom(ClassPathBuilder.scala:142)" 9 = {StackTraceElement@5337} "org.fusesource.scalate.util.ClassPathBuilder.addPathFrom(ClassPathBuilder.scala:68)" 10 = {StackTraceElement@5338} "org.fusesource.scalate.util.ClassPathBuilder.addPathFromContextClassLoader(ClassPathBuilder.scala:73)" 11 = {StackTraceElement@5339} "org.fusesource.scalate.support.ScalaCompiler.generateSettings(ScalaCompiler.scala:121)" 12 = {StackTraceElement@5340} "org.fusesource.scalate.support.ScalaCompiler.<init>(ScalaCompiler.scala:59)" 13 = {StackTraceElement@5341} "org.fusesource.scalate.support.ScalaCompiler$.create(ScalaCompiler.scala:42)" 14 = {StackTraceElement@5342} "org.fusesource.scalate.TemplateEngine.createCompiler(TemplateEngine.scala:231)" 15 = {StackTraceElement@5343} "org.fusesource.scalate.TemplateEngine.compiler$lzycompute(TemplateEngine.scala:221)" 16 = {StackTraceElement@5344} "org.fusesource.scalate.TemplateEngine.compiler(TemplateEngine.scala:221)" 17 = {StackTraceElement@5345} "org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:757)" 18 = {StackTraceElement@5346} "org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:699)" 19 = {StackTraceElement@5347} "org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:419)" 20 = {StackTraceElement@5348} "org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:413)" 21 = {StackTraceElement@5349} "org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:471)" 22 = {StackTraceElement@5350} "org.fusesource.scalate.TemplateEngine.layout(TemplateEngine.scala:573)" 23 = {StackTraceElement@5351} "org.apache.zeppelin.cassandra.DisplaySystem$NoResultDisplay$.<init>(DisplaySystem.scala:369)" 24 = {StackTraceElement@5352} "org.apache.zeppelin.cassandra.DisplaySystem$NoResultDisplay$.<clinit>(DisplaySystem.scala)" 25 = {StackTraceElement@5353} "org.apache.zeppelin.cassandra.EnhancedSession.<init>(EnhancedSession.scala:40)" 26 = {StackTraceElement@5354} "org.apache.zeppelin.cassandra.InterpreterLogic.<init>(InterpreterLogic.scala:98)" 27 = {StackTraceElement@5355} "org.apache.zeppelin.cassandra.CassandraInterpreter.open(CassandraInterpreter.java:231)" 28 = {StackTraceElement@5356} "org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:70)" 29 = {StackTraceElement@5357} "org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:491)" 30 = {StackTraceElement@5358} "org.apache.zeppelin.scheduler.Job.run(Job.java:175)" 31 = {StackTraceElement@5359} "org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner.run(ParallelScheduler.java:162)" 32 = {StackTraceElement@5360} "java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)" 33 = {StackTraceElement@5361} "java.util.concurrent.FutureTask.run(FutureTask.java:266)" 34 = {StackTraceElement@5362} "java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)" 35 = {StackTraceElement@5363} "java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)" 36 = {StackTraceElement@5364} "java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)" 37 = {StackTraceElement@5365} "java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)" 38 = {StackTraceElement@5366} "java.lang.Thread.run(Thread.java:748)" When i watch the command line in my task manager i see this "D:\Program Files\Java\jdk1.8.0_144\bin\java" -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=6666 -Dfile.encoding=UTF-8 -Dzeppelin.log.file="D:\zeppelin\logs\zeppelin-interpreter-cassandra-Jay-JAY-POWERHORSE.log" -Xms1024m -Xmx1024m -XX:MaxPermSize=512m -cp ;"D:\zeppelin\interpreter\cassandra\*";"D:\zeppelin\lib\interpreter\*";"D:\zeppelin\lib\interpreter\*";" *D:\zeppelin\lib\**";"*D:\zeppelin\**";"D:\zeppelin\conf";"D:\zeppelin\conf" org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer 7847 I dont't know but wehn i try *new File("file:/D:/zeppelin/*").getCanonicalPath* the exception is raised Hope that helps 2017-10-05 11:52 GMT+02:00 Patrick Brunmayr <patrick.brunm...@kpibench.com>: > This is the full stack trace! I don't know where to get more information > > 2017-10-05 10:48 GMT+02:00 DuyHai Doan <doanduy...@gmail.com>: > >> The problem is the NoClassDefFoundError exception. We need to know where >> it comes from, which class cannot be found. Can you please provide full >> exception stack trace ? >> >> On Wed, Oct 4, 2017 at 4:45 PM, Patrick Brunmayr < >> patrick.brunm...@kpibench.com> wrote: >> >>> Hello >>> >>> I am having troubles using the cassandra interpreter on my local >>> machine. Whenever i try to run a cassandra notebook i get following error >>> stack >>> >>> java.lang.NoClassDefFoundError: Could not initialize class >>>> org.apache.zeppelin.cassandra.DisplaySystem$NoResultDisplay$ >>>> at org.apache.zeppelin.cassandra.EnhancedSession.<init>(Enhance >>>> dSession.scala:40) >>>> at org.apache.zeppelin.cassandra.InterpreterLogic.<init>(Interp >>>> reterLogic.scala:98) >>>> at org.apache.zeppelin.cassandra.CassandraInterpreter.open(Cass >>>> andraInterpreter.java:231) >>>> at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(Laz >>>> yOpenInterpreter.java:70) >>>> at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServ >>>> er$InterpretJob.jobRun(RemoteInterpreterServer.java:491) >>>> at org.apache.zeppelin.scheduler.Job.run(Job.java:175) >>>> at org.apache.zeppelin.scheduler.ParallelScheduler$JobRunner.ru >>>> n(ParallelScheduler.java:162) >>>> at java.util.concurrent.Executors$RunnableAdapter.call(Executor >>>> s.java:511) >>>> at java.util.concurrent.FutureTask.run(FutureTask.java:266) >>>> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFu >>>> tureTask.access$201(ScheduledThreadPoolExecutor.java:180) >>>> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFu >>>> tureTask.run(ScheduledThreadPoolExecutor.java:293) >>>> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool >>>> Executor.java:1149) >>>> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo >>>> lExecutor.java:624) >>>> at java.lang.Thread.run(Thread.java:748) >>> >>> >>> >>> >>> It seems there is an open ticket here >>> <https://issues.apache.org/jira/browse/ZEPPELIN-1035> >>> >>> What can i do about this ? >>> >>> My current setup >>> >>> OS : Windows 10 64 Bit >>> JDK : 1.8 >>> Cassandra : 3.0.9 >>> Scala : 2.11 >>> >>> Is the datastax driver not compatible with my cassandra version ? How >>> can i fix it >>> >>> Thx >>> >>> >>> >>> >>> >> >