I am trying to build an sbt plugin like swagger2markup, but I face an issue when executing this in sbt:
org.apache.commons.configuration2.ex.ConfigurationRuntimeException: java.lang.ClassNotFoundException: org.apache.commons.configuration2.PropertiesConfiguration
at org.apache.commons.configuration2.beanutils.BeanHelper.fetchBeanClass(BeanHelper.java:549)
..snip..
Caused by: java.lang.ClassNotFoundException: org.apache.commons.configuration2.PropertiesConfiguration
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.apache.commons.lang3.ClassUtils.getClass(ClassUtils.java:909)
So, trying to lookup the PropertiesConfiguration from a class within the same jar is failing. It seems that sbt runs tasks in a classloader that does not include dependencies. This happens when I run the task from the sbt console.
commons-configuration2 is using commons-lang3 to load the class file for ConfigurationBuilder. And commons-lang is trying to use ClassLoader from the current thread to perform the loading see ClassUtils, but it seems that sbt doesn't give you any guaranties about Thread.currentThread().getContextClassLoader, see discussion for more details.
The workaround is to current thread classLoader manually, like:
Thread.currentThread().setContextClassLoader(
PluignObject.getClass.getClassLoader
)
But to be honest, I'm not sure how safe is this solution.
The workaround I managed in the end, was to invoke the task in a forked jvm process:
val runner: ScalaRun = initScoped(myTask.scopedKey, Defaults.runnerInit).value
val log: Logger = streams.value.log
val arguments = Seq()
runner.run(mainClass, classpath.map(_.data), arguments, log)
This worked for me when there was a main class available in the tool I was using.
Related
When I build the sample corda project with gradle on windows (gradlew.bat deployNodes)
I see the error about DELETE command in log4j:
2019-10-28 16:30:47,207 main ERROR Delete contains invalid attributes "IfFileName", "IfLastModified"
2019-10-28 16:30:47,213 main ERROR Missing Delete conditions: unconditional Delete not supported
2019-10-28 16:30:47,217 main ERROR Unable to invoke factory method in class org.apache.logging.log4j.core.appender.rolling.action.DeleteAction for element Delete: java.lang.IllegalArgume
ntException: Unconditional Delete not supported java.lang.reflect.InvocationTargetException
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:498)
at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:136)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:964)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:904)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:896)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:896)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:896)
at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:514)
at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:238)
at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:250)
at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:548)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:637)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:231)
at org.apache.logging.log4j.core.async.AsyncLoggerContext.start(AsyncLoggerContext.java:76)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:153)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:121)
at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:43)
at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)
at net.corda.core.utilities.KotlinUtilsKt.contextLogger(KotlinUtils.kt:42)
at net.corda.cliutils.CliWrapperBase$Companion$logger$2.invoke(CordaCliWrapper.kt:108)
at net.corda.cliutils.CliWrapperBase$Companion$logger$2.invoke(CordaCliWrapper.kt:107)
at kotlin.SynchronizedLazyImpl.getValue(LazyJVM.kt:74)
at net.corda.cliutils.CliWrapperBase$Companion.getLogger(CordaCliWrapper.kt:65535)
at net.corda.cliutils.CliWrapperBase$Companion.access$getLogger$p(CordaCliWrapper.kt:107)
at net.corda.cliutils.CliWrapperBase.call(CordaCliWrapper.kt:142)
at net.corda.cliutils.CliWrapperBase.call(CordaCliWrapper.kt:106)
at picocli.CommandLine.execute(CommandLine.java:1173)
at picocli.CommandLine.access$800(CommandLine.java:141)
at picocli.CommandLine$RunLast.handle(CommandLine.java:1367)
at picocli.CommandLine$RunLast.handle(CommandLine.java:1335)
at picocli.CommandLine$AbstractParseResultHandler.handleParseResult(CommandLine.java:1243)
at picocli.CommandLine.parseWithHandlers(CommandLine.java:1526)
at net.corda.cliutils.CordaCliWrapperKt.start(CordaCliWrapper.kt:73)
at net.corda.node.Corda.main(Corda.kt:13)
Caused by: java.lang.IllegalArgumentException: Unconditional Delete not supported
at org.apache.logging.log4j.core.appender.rolling.action.DeleteAction.(DeleteAction.java:71)
at org.apache.logging.log4j.core.appender.rolling.action.DeleteAction.createDeleteAction(DeleteAction.java:212)
... 43 more
2019-10-28 16:30:47,606 main ERROR Null object returned for Delete in DefaultRolloverStrategy.
2019-10-28 16:30:47,736 main ERROR Delete contains invalid attributes "IfFileName", "IfLastModified"
2019-10-28 16:30:47,737 main ERROR Missing Delete conditions: unconditional Delete not supported
2019-10-28 16:30:47,739 main ERROR Unable to invoke factory method in class org.apache.logging.log4j.core.appender.rolling.action.DeleteAction for element Delete: java.lang.IllegalArgume
ntException: Unconditional Delete not supported java.lang.reflect.InvocationTargetException
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:498)
at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:136)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:964)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:904)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:896)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:896)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:896)
at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:514)
at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:238)
at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:250)
at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:548)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:637)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:231)
at org.apache.logging.log4j.core.async.AsyncLoggerContext.start(AsyncLoggerContext.java:76)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:153)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getContext(AbstractLoggerAdapter.java:121)
at org.apache.logging.slf4j.Log4jLoggerFactory.getContext(Log4jLoggerFactory.java:43)
at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:46)
at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:29)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:358)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)
at net.corda.core.utilities.KotlinUtilsKt.contextLogger(KotlinUtils.kt:42)
at net.corda.cliutils.CliWrapperBase$Companion$logger$2.invoke(CordaCliWrapper.kt:108)
at net.corda.cliutils.CliWrapperBase$Companion$logger$2.invoke(CordaCliWrapper.kt:107)
at kotlin.SynchronizedLazyImpl.getValue(LazyJVM.kt:74)
at net.corda.cliutils.CliWrapperBase$Companion.getLogger(CordaCliWrapper.kt:65535)
at net.corda.cliutils.CliWrapperBase$Companion.access$getLogger$p(CordaCliWrapper.kt:107)
at net.corda.cliutils.CliWrapperBase.call(CordaCliWrapper.kt:142)
at net.corda.cliutils.CliWrapperBase.call(CordaCliWrapper.kt:106)
at picocli.CommandLine.execute(CommandLine.java:1173)
at picocli.CommandLine.access$800(CommandLine.java:141)
at picocli.CommandLine$RunLast.handle(CommandLine.java:1367)
at picocli.CommandLine$RunLast.handle(CommandLine.java:1335)
at picocli.CommandLine$AbstractParseResultHandler.handleParseResult(CommandLine.java:1243)
at picocli.CommandLine.parseWithHandlers(CommandLine.java:1526)
at net.corda.cliutils.CordaCliWrapperKt.start(CordaCliWrapper.kt:73)
at net.corda.node.Corda.main(Corda.kt:13)
Caused by: java.lang.IllegalArgumentException: Unconditional Delete not supported
at org.apache.logging.log4j.core.appender.rolling.action.DeleteAction.(DeleteAction.java:71)
at org.apache.logging.log4j.core.appender.rolling.action.DeleteAction.createDeleteAction(DeleteAction.java:212)
... 43 more
I got latest verison of corda samples. (from master branch). I encounter the same problem with other branches.
My jdk version is 1.8.0_212.
I used cordapp-examples project
How can I solve this problem?
It looks to me like you are pulling in JAR files from somewhere other than those specified by the Corda build.
The default branch for the samples is release-V4 and that is the one I'm using. I run the following and it works fine:
git clone https://github.com/corda/samples
cd cordapp-example
gradlew deployNodes
I'd check that your classpath variable isn't set (as this will cause additional JAR files in those directories to be included when running Corda) by running :
echo %CLASSPATH%
Additionally, from the command-line I'd run:
java -version
where java
To make sure the version of java you think you're picking up is the one you are picking up.
I had a similar issue related to log4j:
the log4j2 error unable to invoke factory method in class class RollingFileApender
Error while generating node info file
To fix this (on windows), I took the following steps:
Right click on MyPC
Click advanced system settings
Click environment variables
Change JAVA_HOME to point to same jdk directory being used in IntelliJ for corDapp. (I changed mine from OpenJDK\jdk-13.0.1 to C:\Program Files\Java\jdk1.8.0_231)
Restart IntelliJ and rerun ./gradlew deployNodes
The problem was about the regional settings of my computer.
By defining an Environment variable
JAVA_TOOL_OPTIONS=-Duser.language=en -Duser.country=US -Duser.region=US -Dfile.encoding=UTF-8 -Duser.variant=US
I solved the problem.
Thanks all for your attention.
How can I run .jar file which is generated by sbt's package?
I created a really simple example with a single .scala source:
package org.pack {
class ScalaParser(files: Array[String]) {
def doAll() = {
println("hello")
}
}
object Main {
def main(args: Array[String]): Unit = {
val sp = new ScalaParser(args)
sp.doAll()
}
}
}
After running
$ sbt
> compile
> package
.jar is created in /target/scala-<version>. If I try to run it, it fails giving this error:
$ java -jar package_2.9.2-0.1.jar
Exception in thread "main" java.lang.NoClassDefFoundError: scala/ScalaObject
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
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$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at org.pack.Main.main(Main.scala)
Caused by: java.lang.ClassNotFoundException: scala.ScalaObject
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)
... 13 more
Note that no external libraries are used and sbt compile run works fine.
I attached the whole project including generated .jar on dropbox.
What is really weird is the fact that .jar Manifest contains right class to load, i.e. org.pack.Main. Maybe it is caused by something else.
System info
$ java -version
java version "1.7.0_55"
OpenJDK Runtime Environment (IcedTea 2.4.7) (7u55-2.4.7-1ubuntu1)
OpenJDK 64-Bit Server VM (build 24.51-b03, mixed mode)
$ scala -version
Scala code runner version 2.9.2 -- Copyright 2002-2011, LAMP/EPFL
Additional question - what if I had some external .jars in /lib? How can I assure that they are packed? I need one .jar runnable on (possibly) every JVM.
Thanks for help.
You can use the sbt plugin sbt-assembly:
sbt-assembly >= 0.12.0 with sbt >= 0.13.6
Since sbt-assembly is now an auto plugin, it is sufficient to add project/assembly.sbt to your sbt project:
addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.14.5")
sbt-assembly 0.11
Add project/assembly.sbt to your sbt project:
addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "0.11.2")
Add assembly.sbt as well:
import AssemblyKeys._ // put this at the top of the file
assemblySettings
Usage
This gives you another sbt command:
sbt assembly
which produces a "fat jar" (which includes all dependencies, including the Scala libraries).
Now you can start your program
java -cp .../package-assembly.jar
so you only need a Java installation and the "fat jar".
For those who do not wish to build a fat jar, all dependencies will have been downloaded as part of a successful run of sbt package. Classpath information is stored in a file within the target directory, which can be passed into the java command.
Example:
sbt package
java -cp target/scala-2.11/yourproject.jar:$(cat target/streams/compile/dependencyClasspath/\$global/streams/export) Main
Try
scala package_2.9.2-0.1.jar
Update
From Java the command would look like this,
java -cp $SCALA_HOME/lib/scala-library.jar -jar package_2.9.2-0.1.jar
Yet in the classpath you may need to add additional jar's, for instance -cp "jar1.jar:jar2.jar"
I have built a Camel project in Eclipse with Maven dependencies.
It ran successfully and also Built the Jar file and ran it from the command prompt
which is running as required. But when I moved the JAR file onto to our Linux machine
which is like a Job Manager server and when I try to run the JAR file as below
I am getting the below error message.
When I try to run with the below command
$ java –jar mycamelproject
I am getting the below error, but I do have the below mentioned dependency in the Dependency-Jars folder.
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/c
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2531)
at java.lang.Class.getMethod0(Class.java:2774)
at java.lang.Class.getMethod(Class.java:1663)
at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
Caused by: java.lang.ClassNotFoundException: org.springframework.context.support
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)
... 6 more
Then I tried running with the below command.
$ mvn -X exec:java -Dexec.mainClass=mycamelpackage.mycamelmainclass
I am getting a series of the below errors such as below
[DEBUG] Could not find metadata org.codehaus.mojo/maven-metadata.xml in local (/home/ec2-user/.m2/repository)
[DEBUG] Skipped remote update check for org.codehaus.mojo/maven-metadata.xml, already updated during this session.
[WARNING] Failure to transfer org.codehaus.mojo/maven-metadata.xml from
http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer metadata org.codehaus.mojo/maven-metadata.xml from/to central (http://repo.maven.apache.org/maven2): proxy.host.net
[ERROR] No plugin found for prefix 'exec' in the current project
and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo]
available from the repositories
How should java –jar mycamelproject work if no classpath is set? And mycamelproject should be a JAR file anyway (and if it is, you should add the *.jar extension).
Beside that, I guess your local Maven repository may be corrupt. That's usually the reason why you see the resolution will not be reattempted error message. The easiest way to fix this is to remove the corrupt directories and start Maven again.
I'm trying to run a RecommenderJob on amazon EMR. I have a jar called SmartJukebox.jar (not runnable) and it contains a class main.TrackRecommander (and that's it).
I created a job flow with the jar:
s3n://smartjukebox/SmartJukebox.jar
and args:
main.TrackRecommander --input s3n://smartjukebox/ratings.csv --output s3n://smartjukebox/output --usersFile s3n://smartjukebox/user.txt.
The class TrackRecommander uses the class RecommenderJob.
I run the job flow and i get this in the error log -
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/mahout/cf/taste/hadoop/item/RecommenderJob
at main.TrackRecommander.main(TrackRecommander.java:136)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
Caused by: java.lang.ClassNotFoundException: org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 6 more
now i see that the JVM can't find RecommenderJob and i didn't put RecommenderJob in my jar. I thought EMR would have mahout jars built in, but i can't find anything about that.
what is the solution here?
Thanks.
You're problem is exactly what you say: "I didn't put RecommenderJob in my jar." Unless you put those classes in your JAR, of course it can't be found. Why would EMR have this built in? Add the Mahout ".job" file classes to your JAR first.
You will need to create a job jar which contains all the classes required by the code to run which includes the mahout classes too.
Take a look at
https://github.com/tdunning/MiA
Check how to create a job jar using maven assembly plugin in pom.xml and the job.xml in the src/main/resources directory.
IF you exclude the hadoop classes then you can run it on any hadoop instance.
I'm having trouble running a custom jar on Elastic Map-Reduce
I'm using jdk1.6.0_26, Hadoop 0.20.205, and compiling with Eclipse on my computer and everything works perfectly fine
for example if I ran the following on my computer it would be successful
hadoop jar MaxTemperature.jar input/temperature.txt output
I specified the jar as the following on AWS
s3n://chrishadoop/MaxTemperature.jar
and I specified the arguments as
s3n://chrishadoop/input/temperature.txt s3n://chrishadoop/output
I did not specify the main class because I pointed to it in the manifest
Here is the jar I'm using, I will make it public for a little while
https://s3.amazonaws.com/chrishadoop/MaxTemperature.jar
Here is the error I'm getting
2012-07-08 19:31:39,824 INFO com.amazonaws.elasticmapreduce.statepusher.StatePusher (main): Pusher awoke, starting to push data into simpledb...
2012-07-08 19:31:40,552 FATAL com.amazonaws.elasticmapreduce.statepusher.StatePusher (main): Fatal Exception raised while extracting data from hadoop and pushing to simpledb
java.lang.NoClassDefFoundError: org/codehaus/jackson/map/JsonMappingException
at com.amazonaws.elasticmapreduce.statepusher.StatePusher.run(StatePusher.java:65)
at com.amazonaws.elasticmapreduce.statepusher.StatePusher.main(StatePusher.java:205)
Caused by: java.lang.ClassNotFoundException: org.codehaus.jackson.map.JsonMappingException
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 2 more
There is a version of Jackson which is installed as part of the AMI, and I'm guessing you're bundling a different version of Jackson? The error seems to be happening in the support code which makes "enable debugging" work.