Examples with XAException javax.transaction.xa.XAException used on opensource projects

Example 6 with XAException

use of javax.transaction.xa.XAException in project neo4j-mobile-android by neo4j-contrib.

the class XaLogicalLog method applyTwoPhaseCommitEntry.

private void applyTwoPhaseCommitEntry(LogEntry.TwoPhaseCommit commit) throws IOException {
    int identifier = commit.getIdentifier();
    long txId = commit.getTxId();
    LogEntry.Start startEntry = xidIdentMap.get(identifier);
    if (startEntry == null) {
        throw new IOException("Unknown xid for identifier " + identifier);
    }
    Xid xid = startEntry.getXid();
    if (xid == null) {
        throw new IOException("Xid null for identifier " + identifier);
    }
    try {
        XaTransaction xaTx = xaRm.getXaTransaction(xid);
        xaTx.setCommitTxId(txId);
        xaRm.injectTwoPhaseCommit(xid);
        registerRecoveredTransaction(txId);
    } catch (XAException e) {
        throw new IOException(e);
    }
}

Example 7 with XAException

use of javax.transaction.xa.XAException in project neo4j-mobile-android by neo4j-contrib.

the class XaResourceManager method fail.

synchronized void fail(XAResource xaResource, Xid xid) throws XAException {
    if (xidMap.get(xid) == null) {
        throw new XAException("Unknown xid[" + xid + "]");
    }
    Xid xidEntry = xaResourceMap.remove(xaResource);
    if (xidEntry == null) {
        throw new XAException("Resource[" + xaResource + "] not enlisted");
    }
    XidStatus status = xidMap.get(xid);
    status.getTransactionStatus().markAsRollback();
}

Example 8 with XAException

use of javax.transaction.xa.XAException in project graphdb by neo4j-attic.

the class TestXaFramework method testCreateXaResource.

@Test
public void testCreateXaResource() throws Exception {
    Map<Object, Object> config = new HashMap<Object, Object>();
    config.put("store_dir", "target/var");
    config.put(LogBufferFactory.class, CommonFactories.defaultLogBufferFactory(config));
    xaDsMgr.registerDataSource("dummy_datasource", new DummyXaDataSource(config), UTF8.encode("DDDDDD"));
    XaDataSource xaDs = xaDsMgr.getXaDataSource("dummy_datasource");
    DummyXaConnection xaC = null;
    try {
        xaC = (DummyXaConnection) xaDs.getXaConnection();
        try {
            xaC.doStuff1();
            fail("Non enlisted resource should throw exception");
        } catch (XAException e) {
        // good
        }
        Xid xid = new XidImpl(new byte[0], new byte[0]);
        xaC.getXaResource().start(xid, XAResource.TMNOFLAGS);
        try {
            xaC.doStuff1();
            xaC.doStuff2();
        } catch (XAException e) {
            fail("Enlisted resource should not throw exception");
        }
        xaC.getXaResource().end(xid, XAResource.TMSUCCESS);
        xaC.getXaResource().prepare(xid);
        xaC.getXaResource().commit(xid, false);
    } finally {
        xaDsMgr.unregisterDataSource("dummy_datasource");
        if (xaC != null) {
            xaC.destroy();
        }
    }
    // cleanup dummy resource log
    File dir = new File(".");
    File[] files = dir.listFiles(new FilenameFilter() {

        public boolean accept(File dir, String fileName) {
            return fileName.startsWith(resourceFile());
        }
    });
    for (int i = 0; i < files.length; i++) {
        files[i].delete();
    }
}

Example 9 with XAException

use of javax.transaction.xa.XAException in project graphdb by neo4j-attic.

the class ReadOnlyTxManager method rollback.

public void rollback() throws IllegalStateException, SystemException {
    Thread thread = Thread.currentThread();
    ReadOnlyTransactionImpl tx = txThreadMap.get(thread);
    if (tx == null) {
        throw new IllegalStateException("Not in transaction");
    }
    if (tx.getStatus() == Status.STATUS_ACTIVE || tx.getStatus() == Status.STATUS_MARKED_ROLLBACK || tx.getStatus() == Status.STATUS_PREPARING) {
        tx.doBeforeCompletion();
        try {
            tx.doRollback();
        } catch (XAException e) {
            e.printStackTrace();
            log.severe("Unable to rollback marked or active transaction. " + "Some resources may be commited others not. " + "Neo4j kernel should be SHUTDOWN for " + "resource maintance and transaction recovery ---->");
            throw new SystemException("Unable to rollback " + " ---> error code for rollback: " + e.errorCode);
        }
        tx.doAfterCompletion();
        txThreadMap.remove(thread);
        tx.setStatus(Status.STATUS_NO_TRANSACTION);
    } else {
        throw new IllegalStateException("Tx status is: " + getTxStatusAsString(tx.getStatus()));
    }
}

Example 10 with XAException

use of javax.transaction.xa.XAException in project graphdb by neo4j-attic.

the class TxManager method recover.

private void recover(Iterator<List<TxLog.Record>> danglingRecordList) {
    msgLog.logMessage("TM non resolved transactions found in " + txLog.getName(), true);
    try {
        // contains NonCompletedTransaction that needs to be committed
        List<NonCompletedTransaction> commitList = new ArrayList<NonCompletedTransaction>();
        // contains Xids that should be rolledback
        List<Xid> rollbackList = new LinkedList<Xid>();
        // key = Resource(branchId) value = XAResource
        Map<Resource, XAResource> resourceMap = new HashMap<Resource, XAResource>();
        buildRecoveryInfo(commitList, rollbackList, resourceMap, danglingRecordList);
        // invoke recover on all xa resources found
        Iterator<Resource> resourceItr = resourceMap.keySet().iterator();
        List<Xid> recoveredXidsList = new LinkedList<Xid>();
        while (resourceItr.hasNext()) {
            XAResource xaRes = resourceMap.get(resourceItr.next());
            Xid[] xids = xaRes.recover(XAResource.TMNOFLAGS);
            for (int i = 0; i < xids.length; i++) {
                if (XidImpl.isThisTm(xids[i].getGlobalTransactionId())) {
                    // linear search
                    if (rollbackList.contains(xids[i])) {
                        log.fine("Found pre commit " + xids[i] + " rolling back ... ");
                        msgLog.logMessage("TM: Found pre commit " + xids[i] + " rolling back ... ", true);
                        rollbackList.remove(xids[i]);
                        xaRes.rollback(xids[i]);
                    } else {
                        recoveredXidsList.add(xids[i]);
                    }
                } else {
                    log.warning("Unknown xid: " + xids[i]);
                }
            }
        }
        // sort the commit list after sequence number
        Collections.sort(commitList, new Comparator<NonCompletedTransaction>() {

            public int compare(NonCompletedTransaction r1, NonCompletedTransaction r2) {
                return r1.getSequenceNumber() - r2.getSequenceNumber();
            }
        });
        // go through and commit
        Iterator<NonCompletedTransaction> commitItr = commitList.iterator();
        while (commitItr.hasNext()) {
            NonCompletedTransaction nct = commitItr.next();
            int seq = nct.getSequenceNumber();
            Xid[] xids = nct.getXids();
            log.fine("Marked as commit tx-seq[" + seq + "] branch length: " + xids.length);
            for (int i = 0; i < xids.length; i++) {
                if (!recoveredXidsList.contains(xids[i])) {
                    log.fine("Tx-seq[" + seq + "][" + xids[i] + "] not found in recovered xid list, " + "assuming already committed");
                    continue;
                }
                recoveredXidsList.remove(xids[i]);
                Resource resource = new Resource(xids[i].getBranchQualifier());
                if (!resourceMap.containsKey(resource)) {
                    throw new TransactionFailureException("Couldn't find XAResource for " + xids[i]);
                }
                log.fine("Commiting tx seq[" + seq + "][" + xids[i] + "] ... ");
                msgLog.logMessage("TM: Committing tx " + xids[i], true);
                resourceMap.get(resource).commit(xids[i], false);
            }
        }
        // rollback the rest
        Iterator<Xid> rollbackItr = recoveredXidsList.iterator();
        while (rollbackItr.hasNext()) {
            Xid xid = rollbackItr.next();
            Resource resource = new Resource(xid.getBranchQualifier());
            if (!resourceMap.containsKey(resource)) {
                throw new TransactionFailureException("Couldn't find XAResource for " + xid);
            }
            log.fine("Rollback " + xid + " ... ");
            msgLog.logMessage("TM: no match found for " + xid + " removing", true);
            resourceMap.get(resource).rollback(xid);
        }
        if (rollbackList.size() > 0) {
            log.fine("TxLog contained unresolved " + "xids that needed rollback. They couldn't be matched to " + "any of the XAResources recover list. " + "Assuming " + rollbackList.size() + " transactions already rolled back.");
            msgLog.logMessage("TM: no match found for in total " + rollbackList.size() + " transaction that should have been rolled back", true);
        }
    } catch (XAException e) {
        throw new TransactionFailureException("Recovery failed." + e);
    }
}