mkv created HADOOP-18090:
----------------------------
Summary: Exclude com/jcraft/jsch classes from being
shaded/relocated
Key: HADOOP-18090
URL: https://issues.apache.org/jira/browse/HADOOP-18090
Project: Hadoop Common
Issue Type: Bug
Components: build
Affects Versions: 3.3.1
Reporter: mkv
Spark 3.2.0 transitively introduces hadoop-client-api and hadoop-client-runtime
dependencies.
When we create a SFTPFileSystem instance
(org.apache.hadoop.fs.sftp.SFTPFileSystem) it tries to load the relocated
classes from _com.jcraft.jsch_ package.
The filesystem instance creation fails with error:
{code:java}
java.lang.ClassNotFoundException:
org.apache.hadoop.shaded.com.jcraft.jsch.SftpException
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) {code}
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