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HADOOP-13684. Snappy may complain Hadoop is built without snappy if libhadoop is not found. Contributed by Wei-Chiu Chuang. 

(cherry picked from commit 4b32b1420d)
(cherry picked from commit 56184de510)
This commit is contained in:
Wei-Chiu Chuang 2016-10-11 13:21:33 -07:00
parent aeb75213d4
commit 773e2e6b6c
1 changed files with 16 additions and 14 deletions
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30
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/compress/SnappyCodec.java
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@ -60,20 +60,22 @@ public class SnappyCodec implements Configurable, CompressionCodec, DirectDecomp
* Are the native snappy libraries loaded & initialized? * Are the native snappy libraries loaded & initialized?
*/ */
public static void checkNativeCodeLoaded() { public static void checkNativeCodeLoaded() {
if (!NativeCodeLoader.isNativeCodeLoaded() || if (!NativeCodeLoader.buildSupportsSnappy()) {
!NativeCodeLoader.buildSupportsSnappy()) { throw new RuntimeException("native snappy library not available: " +
throw new RuntimeException("native snappy library not available: " + "this version of libhadoop was built without " +
"this version of libhadoop was built without " + "snappy support.");
"snappy support."); }
} if (!NativeCodeLoader.isNativeCodeLoaded()) {
if (!SnappyCompressor.isNativeCodeLoaded()) { throw new RuntimeException("Failed to load libhadoop.");
throw new RuntimeException("native snappy library not available: " + }
"SnappyCompressor has not been loaded."); if (!SnappyCompressor.isNativeCodeLoaded()) {
} throw new RuntimeException("native snappy library not available: " +
if (!SnappyDecompressor.isNativeCodeLoaded()) { "SnappyCompressor has not been loaded.");
throw new RuntimeException("native snappy library not available: " + }
"SnappyDecompressor has not been loaded."); if (!SnappyDecompressor.isNativeCodeLoaded()) {
} throw new RuntimeException("native snappy library not available: " +
"SnappyDecompressor has not been loaded.");
}
} }
public static boolean isNativeCodeLoaded() { public static boolean isNativeCodeLoaded() {