Wei-Chiu Chuang created HADOOP-14481:
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Summary: Print stack trace when native bzip2 library does not load
Key: HADOOP-14481
URL: https://issues.apache.org/jira/browse/HADOOP-14481
Project: Hadoop Common
Issue Type: Improvement
Components: io
Reporter: Wei-Chiu Chuang
Assignee: Wei-Chiu Chuang
Priority: Minor
When I run hadoop checknative on my machine, it was not able to load system
bzip2 library and printed the following message.
17/06/02 09:25:42 WARN bzip2.Bzip2Factory: Failed to load/initialize
native-bzip2 library system-native, will use pure-Java version
Reviewing the relevant code, it fails because of an exception. However, that
exception is not logged. We should print the stacktrace, at least at debug log
level.
{code:title=Bzip2Factory#isNativeBzip2Loaded()}
try {
// Initialize the native library.
Bzip2Compressor.initSymbols(libname);
Bzip2Decompressor.initSymbols(libname);
nativeBzip2Loaded = true;
LOG.info("Successfully loaded & initialized native-bzip2 library " +
libname);
} catch (Throwable t) {
LOG.warn("Failed to load/initialize native-bzip2 library " +
libname + ", will use pure-Java version");
}
{code}
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