Johannes Zillmann created TEZ-1818:
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Summary: Problem loading tez-api-version-info.properties in case
current context classloader in not pointing to Tez jars
Key: TEZ-1818
URL: https://issues.apache.org/jira/browse/TEZ-1818
Project: Apache Tez
Issue Type: Bug
Reporter: Johannes Zillmann
TEZ-1664 (0.5.2) introduced loading of tez-api-version-info.properties which is
packaged within the tez-api.jar. Its using the current context classloader to
load it:
{code}
Thread.currentThread().getContextClassLoader()
.getResourceAsStream(versionInfoFile);
{code}
In our environment we load the tez code as a plugin. Our context classloader
doesn't have any reference to the Tez code. Thus when instantiating the tez
client there is this exception:
{code}
WARN [2014-12-03 17:30:30.971] (VersionInfo.java:60) - Could not read
'tez-api-version-info.properties', java.io.IOException: Resource not found
java.io.IOException: Resource not found
at org.apache.tez.common.VersionInfo.<init>(VersionInfo.java:56)
at
org.apache.tez.client.TezApiVersionInfo.<init>(TezApiVersionInfo.java:26)
at org.apache.tez.client.TezClient.<init>(TezClient.java:137)
at org.apache.tez.client.TezClient.create(TezClient.java:213)
....
{code}
Is there any specific reason the context classloader is used to load the file ?
Since the properties file is usually bundled within the jar would
TezApiVersionInfo.class.getResourceAsStream() not be a better fit ?
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