mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-08-21 18:09:20 +00:00
Merged HEAD-BUG-FIX (4.3/Cloud) to HEAD (4.3/Cloud)
68223: Merged V4.2-BUG-FIX (4.2.3) to HEAD-BUG-FIX (4.3/Cloud)
67994: Merged V4.2.2 (4.2.2) to V4.2-BUG-FIX (4.2.3)
67783: Merged DEV to V4.2.2-PATHCES (4.2.2)
67645: MNT-10679: BM-0012: Run v420b1494_01: Exception from executeScript
- Catch SocketException and report in log that client has cut off communication.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@68471 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Mark Rogers
@@ -20,6 +20,7 @@ package org.alfresco.repo.web.scripts;
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import java.io.File;
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import java.io.IOException;
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import java.net.SocketException;
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import java.util.HashMap;
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import java.util.Map;
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@@ -27,6 +28,7 @@ import javax.servlet.http.HttpServletResponse;
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import javax.transaction.Status;
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import javax.transaction.UserTransaction;
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import org.alfresco.error.ExceptionStackUtil;
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import org.alfresco.repo.model.Repository;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
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@@ -371,145 +373,167 @@ public class RepositoryContainer extends AbstractRuntimeContainer
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protected void transactionedExecute(final WebScript script, final WebScriptRequest scriptReq, final WebScriptResponse scriptRes)
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throws IOException
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{
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final Description description = script.getDescription();
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if (description.getRequiredTransaction() == RequiredTransaction.none)
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try
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{
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script.execute(scriptReq, scriptRes);
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}
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else
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{
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final BufferedRequest bufferedReq;
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final BufferedResponse bufferedRes;
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RequiredTransactionParameters trxParams = description.getRequiredTransactionParameters();
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if (trxParams.getCapability() == TransactionCapability.readwrite)
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final Description description = script.getDescription();
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if (description.getRequiredTransaction() == RequiredTransaction.none)
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{
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if (trxParams.getBufferSize() > 0)
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script.execute(scriptReq, scriptRes);
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}
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else
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{
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final BufferedRequest bufferedReq;
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final BufferedResponse bufferedRes;
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RequiredTransactionParameters trxParams = description.getRequiredTransactionParameters();
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if (trxParams.getCapability() == TransactionCapability.readwrite)
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{
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if (logger.isDebugEnabled())
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logger.debug("Creating Transactional Response for ReadWrite transaction; buffersize=" + trxParams.getBufferSize());
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if (trxParams.getBufferSize() > 0)
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{
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if (logger.isDebugEnabled())
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logger.debug("Creating Transactional Response for ReadWrite transaction; buffersize=" + trxParams.getBufferSize());
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// create buffered request and response that allow transaction retrying
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bufferedReq = new BufferedRequest(scriptReq, streamFactory);
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bufferedRes = new BufferedResponse(scriptRes, trxParams.getBufferSize());
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// create buffered request and response that allow transaction retrying
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bufferedReq = new BufferedRequest(scriptReq, streamFactory);
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bufferedRes = new BufferedResponse(scriptRes, trxParams.getBufferSize());
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}
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else
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{
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if (logger.isDebugEnabled())
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logger.debug("Transactional Response bypassed for ReadWrite - buffersize=0");
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bufferedReq = null;
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bufferedRes = null;
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}
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}
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else
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{
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if (logger.isDebugEnabled())
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logger.debug("Transactional Response bypassed for ReadWrite - buffersize=0");
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bufferedReq = null;
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bufferedRes = null;
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}
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// encapsulate script within transaction
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RetryingTransactionCallback<Object> work = new RetryingTransactionCallback<Object>()
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{
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public Object execute() throws Exception
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{
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try
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{
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if (logger.isDebugEnabled())
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logger.debug("Begin retry transaction block: " + description.getRequiredTransaction() + ","
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+ description.getRequiredTransactionParameters().getCapability());
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if (bufferedRes == null)
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{
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script.execute(scriptReq, scriptRes);
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}
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else
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{
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// Reset the request and response in case of a transaction retry
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bufferedReq.reset();
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bufferedRes.reset();
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script.execute(bufferedReq, bufferedRes);
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}
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}
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catch(Exception e)
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{
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if (logger.isDebugEnabled())
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{
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logger.debug("Transaction exception: " + description.getRequiredTransaction() + ": " + e.getMessage());
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// Note: user transaction shouldn't be null, but just in case inside this exception handler
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UserTransaction userTrx = RetryingTransactionHelper.getActiveUserTransaction();
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if (userTrx != null)
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{
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logger.debug("Transaction status: " + userTrx.getStatus());
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}
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}
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UserTransaction userTrx = RetryingTransactionHelper.getActiveUserTransaction();
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if (userTrx != null)
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{
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if (userTrx.getStatus() != Status.STATUS_MARKED_ROLLBACK)
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{
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if (logger.isDebugEnabled())
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logger.debug("Marking web script transaction for rollback");
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try
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{
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userTrx.setRollbackOnly();
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}
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catch(Throwable re)
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{
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if (logger.isDebugEnabled())
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logger.debug("Caught and ignoring exception during marking for rollback: " + re.getMessage());
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}
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}
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}
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// re-throw original exception for retry
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throw e;
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}
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finally
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{
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if (logger.isDebugEnabled())
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logger.debug("End retry transaction block: " + description.getRequiredTransaction() + ","
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+ description.getRequiredTransactionParameters().getCapability());
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}
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return null;
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}
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};
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boolean readonly = description.getRequiredTransactionParameters().getCapability() == TransactionCapability.readonly;
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boolean requiresNew = description.getRequiredTransaction() == RequiredTransaction.requiresnew;
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// log a warning if we detect a GET webscript being run in a readwrite transaction, GET calls should
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// NOT have any side effects so this scenario as a warning sign something maybe amiss, see ALF-10179.
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if (logger.isDebugEnabled() && !readonly && "GET".equalsIgnoreCase(description.getMethod()))
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{
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logger.debug("Webscript with URL '" + scriptReq.getURL() +
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"' is a GET request but it's descriptor has declared a readwrite transaction is required");
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}
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try
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{
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transactionService.getRetryingTransactionHelper().doInTransaction(work, readonly, requiresNew);
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}
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catch (TooBusyException e)
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{
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// Map TooBusyException to a 503 status code
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throw new WebScriptException(HttpServletResponse.SC_SERVICE_UNAVAILABLE, e.getMessage(), e);
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}
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finally
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{
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// Get rid of any temporary files
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if (bufferedReq != null)
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{
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bufferedReq.close();
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}
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}
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// Ensure a response is always flushed after successful execution
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if (bufferedRes != null)
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{
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bufferedRes.writeResponse();
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}
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}
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}
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catch (IOException ioe)
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{
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Throwable socketException = ExceptionStackUtil.getCause(ioe, SocketException.class);
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if (socketException != null && socketException.getMessage().contains("Broken pipe"))
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{
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if (logger.isDebugEnabled())
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{
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logger.warn("Client has cut off communication", ioe);
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}
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else
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{
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logger.info("Client has cut off communication");
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}
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}
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else
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{
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bufferedReq = null;
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bufferedRes = null;
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throw ioe;
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}
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// encapsulate script within transaction
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RetryingTransactionCallback<Object> work = new RetryingTransactionCallback<Object>()
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{
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public Object execute() throws Exception
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{
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try
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{
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if (logger.isDebugEnabled())
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logger.debug("Begin retry transaction block: " + description.getRequiredTransaction() + ","
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+ description.getRequiredTransactionParameters().getCapability());
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if (bufferedRes == null)
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{
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script.execute(scriptReq, scriptRes);
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}
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else
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{
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// Reset the request and response in case of a transaction retry
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bufferedReq.reset();
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bufferedRes.reset();
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script.execute(bufferedReq, bufferedRes);
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}
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}
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catch(Exception e)
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{
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if (logger.isDebugEnabled())
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{
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logger.debug("Transaction exception: " + description.getRequiredTransaction() + ": " + e.getMessage());
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// Note: user transaction shouldn't be null, but just in case inside this exception handler
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UserTransaction userTrx = RetryingTransactionHelper.getActiveUserTransaction();
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if (userTrx != null)
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{
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logger.debug("Transaction status: " + userTrx.getStatus());
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}
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}
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UserTransaction userTrx = RetryingTransactionHelper.getActiveUserTransaction();
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if (userTrx != null)
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{
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if (userTrx.getStatus() != Status.STATUS_MARKED_ROLLBACK)
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{
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if (logger.isDebugEnabled())
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logger.debug("Marking web script transaction for rollback");
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try
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{
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userTrx.setRollbackOnly();
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}
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catch(Throwable re)
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{
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if (logger.isDebugEnabled())
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logger.debug("Caught and ignoring exception during marking for rollback: " + re.getMessage());
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}
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}
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}
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// re-throw original exception for retry
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throw e;
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}
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finally
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{
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if (logger.isDebugEnabled())
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logger.debug("End retry transaction block: " + description.getRequiredTransaction() + ","
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+ description.getRequiredTransactionParameters().getCapability());
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}
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return null;
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}
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};
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boolean readonly = description.getRequiredTransactionParameters().getCapability() == TransactionCapability.readonly;
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boolean requiresNew = description.getRequiredTransaction() == RequiredTransaction.requiresnew;
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// log a warning if we detect a GET webscript being run in a readwrite transaction, GET calls should
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// NOT have any side effects so this scenario as a warning sign something maybe amiss, see ALF-10179.
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if (logger.isDebugEnabled() && !readonly && "GET".equalsIgnoreCase(description.getMethod()))
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{
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logger.debug("Webscript with URL '" + scriptReq.getURL() +
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"' is a GET request but it's descriptor has declared a readwrite transaction is required");
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}
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try
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{
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transactionService.getRetryingTransactionHelper().doInTransaction(work, readonly, requiresNew);
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}
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catch (TooBusyException e)
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{
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// Map TooBusyException to a 503 status code
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throw new WebScriptException(HttpServletResponse.SC_SERVICE_UNAVAILABLE, e.getMessage(), e);
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}
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finally
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{
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// Get rid of any temporary files
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if (bufferedReq != null)
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{
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bufferedReq.close();
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}
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}
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// Ensure a response is always flushed after successful execution
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if (bufferedRes != null)
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{
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bufferedRes.writeResponse();
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}
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}
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}
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Reference in New Issue
Block a user