Examples of com.thinkaurelius.titan.diskstorage.TemporaryStorageException

Package com.thinkaurelius.titan.diskstorage

Examples of com.thinkaurelius.titan.diskstorage.TemporaryStorageException

com.thinkaurelius.titan.diskstorage.TemporaryStorageException
This exception signifies a (potentially) temporary exception in a Titan storage backend, that is, an exception that is due to a temporary unavailability or other exception that is not permanent in nature.
If this exception is thrown it indicates that retrying the same operation might potentially lead to success (but not necessarily)
@author Matthias Broecheler (me@matthiasb.com)

    @Override
    public void close() throws StorageException {
        try {
            pool.close();
        } catch (IOException e) {
            throw new TemporaryStorageException(e);
        }
    }

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                return table.exists(g);
            } finally {
                IOUtils.closeQuietly(table);
            }
        } catch (IOException e) {
            throw new TemporaryStorageException(e);
        }
    }

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                results.add(entries);
            }


            return results;
        } catch (IOException e) {
            throw new TemporaryStorageException(e);
        }
    }

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        try {
            return StorageProxy.read(cmds, clvl);
        } catch (IOException e) {
            throw new PermanentStorageException(e);
        } catch (UnavailableException e) {
            throw new TemporaryStorageException(e);
        } catch (RequestTimeoutException e) {
            throw new PermanentStorageException(e);
        } catch (IsBootstrappingException e) {
            throw new TemporaryStorageException(e);
        }
    }

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    static StorageException convertException(Throwable e) {
        if (e instanceof TException) {
            return new PermanentStorageException(e);
        } else if (e instanceof TimedOutException) {
            return new TemporaryStorageException(e);
        } else if (e instanceof UnavailableException) {
            return new TemporaryStorageException(e);
        } else if (e instanceof InvalidRequestException) {
            return new PermanentStorageException(e);
        } else {
            return new PermanentStorageException(e);
        }

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        try {
            schedule(DatabaseDescriptor.getRpcTimeout());
            try {
                StorageProxy.mutate(cmds, clvl);
            } catch (RequestExecutionException e) {
                throw new TemporaryStorageException(e);
            } finally {
                release();
            }
        } catch (TimeoutException ex) {
            log.debug("Cassandra TimeoutException", ex);
            throw new TemporaryStorageException(ex);
        }
    }

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            inAgreement = true;
        }


        if (null == versions) {
            throw new TemporaryStorageException("Couldn't contact Cassandra nodes before timeout");
        }


        if (versions.containsKey(StorageProxy.UNREACHABLE))
            log.warn("Warning: unreachable nodes: {}",
                    Joiner.on(", ").join(versions.get(StorageProxy.UNREACHABLE)));


        if (!inAgreement) {
            throw new TemporaryStorageException("The schema has not settled in " +
                    SCHEMA_WAIT_MAX + " ms. Wanted version " +
                    currentVersionId + "; Versions are " + FBUtilities.toString(versions));
        } else {
            log.debug("Cassandra schema version {} propagated in about {} ms; Versions are {}",
                    new Object[]{currentVersionId, System.currentTimeMillis() - start, FBUtilities.toString(versions)});

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                table.flushCommits();
            } finally {
                IOUtils.closeQuietly(table);
            }
        } catch (IOException e) {
            throw new TemporaryStorageException(e);
        } catch (InterruptedException e) {
            throw new TemporaryStorageException(e);
        }


        waitUntil(putTS);
    }

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            } else {
                desc = new HTableDescriptor(tableName);
                adm.createTable(desc);
            }
        } catch (IOException e) {
            throw new TemporaryStorageException(e);
        }


        return desc;
    }

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                try {
                    logger.debug("Added HBase ColumnFamily {}, waiting for 1 sec. to propogate.", columnFamily);
                    Thread.sleep(1000L);
                } catch (InterruptedException ie) {
                    throw new TemporaryStorageException(ie);
                }


                adm.enableTable(tableName);
            } catch (TableNotFoundException ee) {
                logger.error("TableNotFoundException", ee);
                throw new PermanentStorageException(ee);
            } catch (org.apache.hadoop.hbase.TableExistsException ee) {
                logger.debug("Swallowing exception {}", ee);
            } catch (IOException ee) {
                throw new TemporaryStorageException(ee);
            }
        } else { // check if compression was enabled, if not - enable it
            if (cf.getCompressionType() == null || cf.getCompressionType() == Compression.Algorithm.NONE) {
                try {
                    adm.disableTable(tableName);


                    adm.modifyColumn(tableName, cf.setCompressionType(Compression.Algorithm.GZ));


                    adm.enableTable(tableName);
                } catch (IOException e) {
                    throw new TemporaryStorageException(e);
                }
            }
        }
    }

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