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HDFS-12076. Ozone: Review all cases where we are returning FAILED_INTERNAL_ERROR. Contributed by Chen Liang.

This commit is contained in:
Anu Engineer 2017-07-05 22:26:20 -07:00 committed by Owen O'Malley
parent 8caa5d1ac0
commit a353094ba4
3 changed files with 10 additions and 7 deletions
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10
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/ksm/KeyManagerImpl.java
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@ -108,11 +108,11 @@ public class KeyManagerImpl implements KeyManager {
LOG.debug("Key {} allocated in volume {} bucket {}", LOG.debug("Key {} allocated in volume {} bucket {}",
keyName, volumeName, bucketName); keyName, volumeName, bucketName);
return keyBlock; return keyBlock;
} catch (Exception ex) { } catch (IOException ex) {
LOG.error("Key allocation failed for volume:{} bucket:{} key:{}", LOG.error("Key allocation failed for volume:{} bucket:{} key:{}",
volumeName, bucketName, keyName, ex); volumeName, bucketName, keyName, ex);
throw new KSMException(ex.getMessage(), throw new KSMException(ex.getMessage(),
KSMException.ResultCodes.FAILED_INTERNAL_ERROR); KSMException.ResultCodes.FAILED_KEY_ALLOCATION);
} finally { } finally {
metadataManager.writeLock().unlock(); metadataManager.writeLock().unlock();
} }
@ -160,7 +160,7 @@ public class KeyManagerImpl implements KeyManager {
Collections.singleton(keyInfo.getBlockID())); Collections.singleton(keyInfo.getBlockID()));
if (resultList.size() != 1) { if (resultList.size() != 1) {
throw new KSMException("Delete result size from SCM is wrong", throw new KSMException("Delete result size from SCM is wrong",
ResultCodes.FAILED_INTERNAL_ERROR); ResultCodes.FAILED_KEY_DELETION);
} }
if (resultList.get(0).getResult() == Result.success) { if (resultList.get(0).getResult() == Result.success) {
@ -169,13 +169,13 @@ public class KeyManagerImpl implements KeyManager {
metadataManager.deleteKey(objectKey); metadataManager.deleteKey(objectKey);
} else { } else {
throw new KSMException("Cannot delete key from SCM", throw new KSMException("Cannot delete key from SCM",
ResultCodes.FAILED_INTERNAL_ERROR); ResultCodes.FAILED_KEY_DELETION);
} }
} catch (DBException ex) { } catch (DBException ex) {
LOG.error(String.format("Delete key failed for volume:%s " LOG.error(String.format("Delete key failed for volume:%s "
+ "bucket:%s key:%s", volumeName, bucketName, keyName), ex); + "bucket:%s key:%s", volumeName, bucketName, keyName), ex);
throw new KSMException(ex.getMessage(), ex, throw new KSMException(ex.getMessage(), ex,
ResultCodes.FAILED_INTERNAL_ERROR); ResultCodes.FAILED_KEY_DELETION);
} finally { } finally {
metadataManager.writeLock().unlock(); metadataManager.writeLock().unlock();
} }

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/ksm/MetadataManagerImpl.java
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@ -391,7 +391,7 @@ public class MetadataManagerImpl implements MetadataManager {
// this probably means ksm db is corrupted or some entries are // this probably means ksm db is corrupted or some entries are
// accidentally removed. // accidentally removed.
throw new KSMException("Volume info not found for " + volumeName, throw new KSMException("Volume info not found for " + volumeName,
ResultCodes.FAILED_INTERNAL_ERROR); ResultCodes.FAILED_VOLUME_NOT_FOUND);
} }
VolumeInfo info = VolumeInfo.parseFrom(volumeInfo); VolumeInfo info = VolumeInfo.parseFrom(volumeInfo);
KsmVolumeArgs volumeArgs = KsmVolumeArgs.getFromProtobuf(info); KsmVolumeArgs volumeArgs = KsmVolumeArgs.getFromProtobuf(info);
@ -421,7 +421,7 @@ public class MetadataManagerImpl implements MetadataManager {
} catch (InvalidProtocolBufferException e) { } catch (InvalidProtocolBufferException e) {
throw new KSMException("Unable to get volumes info by the given user, " throw new KSMException("Unable to get volumes info by the given user, "
+ "metadata might be corrupted", + "metadata might be corrupted",
e, ResultCodes.FAILED_INTERNAL_ERROR); e, ResultCodes.FAILED_METADATA_ERROR);
} }
return volumes; return volumes;
} }

3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/ksm/exceptions/KSMException.java
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@ -106,6 +106,9 @@ public class KSMException extends IOException {
FAILED_BUCKET_NOT_EMPTY, FAILED_BUCKET_NOT_EMPTY,
FAILED_KEY_ALREADY_EXISTS, FAILED_KEY_ALREADY_EXISTS,
FAILED_KEY_NOT_FOUND, FAILED_KEY_NOT_FOUND,
FAILED_KEY_ALLOCATION,
FAILED_KEY_DELETION,
FAILED_METADATA_ERROR,
FAILED_INTERNAL_ERROR FAILED_INTERNAL_ERROR
} }
} }