[CAMEL-10005] HDFS2 - ClassNotFoundException - org.apache.htrace.SamplerBuilder

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.17.2, 2.18.0
• Estimated Complexity: Unknown
• Assignee: Luca Burgazzoli
• Reporter: Luca Burgazzoli
• Created: 01/Jun/16 06:37
• Updated: 01/Jun/16 07:23
• Resolved: 01/Jun/16 07:23

Description

When running in Karaf, the following exception may be thrown:

Caused by: java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:635)
	at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:619)
	at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149)
	at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2653)
	at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:92)
	at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2687)
	at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2669)
	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:371)
	at org.apache.camel.component.hdfs2.HdfsOsgiHelper.<init>(HdfsOsgiHelper.java:47)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)[:1.8.0_91]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)[:1.8.0_91]
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)[:1.8.0_91]
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)[:1.8.0_91]
	at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)[197:org.apache.servicemix.bundles.spring-beans:3.2.16.RELEASE_1]
	... 18 more

this is because camel-hdfs2 features lacks org.apache.htrace/htrace-core/3.1.0-incubating