org.quartz.plugins.xml.JobInitializationPlugin] [ERROR] - Error scheduling jobs: no protocol

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解决这个问题的原文:http://www.gmjjavadesigns.com/gmjd/en_US/entry/quartz_1_6_and_oc4j代码:/* * Copyright 2004-2005 OpenSymphony * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy * of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * *//* * Previously Copyright (c) 2001-2004 James House */package edu.unc.its.as.affiliate.quartz;import java.io.File;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.net.URL;import java.net.URLDecoder;import java.util.Date;import java.util.HashMap;import java.util.HashSet;import java.util.Iterator;import java.util.Map;import java.util.Set;import java.util.StringTokenizer;import javax.transaction.UserTransaction;import org.quartz.JobDetail;import org.quartz.Scheduler;import org.quartz.SchedulerException;import org.quartz.SimpleTrigger;import org.quartz.jobs.FileScanJob;import org.quartz.jobs.FileScanListener;import org.quartz.plugins.SchedulerPluginWithUserTransactionSupport;import org.quartz.simpl.CascadingClassLoadHelper;import org.quartz.spi.ClassLoadHelper;import org.quartz.xml.JobSchedulingDataProcessor;/** * This plugin loads XML file(s) to add jobs and schedule them with triggers * as the scheduler is initialized, and can optionally periodically scan the * file for changes. * *

* The periodically scanning of files for changes is not currently supported in a * clustered environment. *

* *

* If using the JobInitializationPlugin with JobStoreCMT, be sure to set the * plugin property wrapInUserTransaction to true. Also, if have a * positive scanInterval be sure to set * org.quartz.scheduler.wrapJobExecutionInUserTransaction to true. *

* * @author James House * @author Pierre Awaragi */public class JobInitializationPlugin extends SchedulerPluginWithUserTransactionSupport implements FileScanListener { /* * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * Data members. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ private static final int MAX_JOB_TRIGGER_NAME_LEN = 80; private static final String JOB_INITIALIZATION_PLUGIN_NAME = "JobInitializationPlugin"; private static final String FILE_NAME_DELIMITERS = ","; private boolean overWriteExistingJobs = false; private boolean failOnFileNotFound = true; private String fileNames = JobSchedulingDataProcessor.QUARTZ_XML_FILE_NAME; // Populated by initialization private Map jobFiles = new HashMap(); private boolean useContextClassLoader = true; private boolean validating = false; private boolean validatingSchema = true; private long scanInterval = 0; boolean started = false; protected ClassLoadHelper classLoadHelper = null; private Set jobTriggerNameSet = new HashSet(); /* * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * Constructors. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ public JobInitializationPlugin() { } /* * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * Interface. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ /** * The file name (and path) to the XML file that should be read. * @deprecated Use fileNames with just one file. */ public String getFileName() { return fileNames; } /** * The file name (and path) to the XML file that should be read. * @deprecated Use fileNames with just one file. */ public void setFileName(String fileName) { getLog().warn("The /"filename/" plugin property is deprecated. Please use /"filenames/" in the future."); this.fileNames = fileName; } /** * Comma separated list of file names (with paths) to the XML files that should be read. */ public String getFileNames() { return fileNames; } /** * The file name (and path) to the XML file that should be read. */ public void setFileNames(String fileNames) { this.fileNames = fileNames; } /** * Whether or not jobs defined in the XML file should be overwrite existing * jobs with the same name. */ public boolean isOverWriteExistingJobs() { return overWriteExistingJobs; } /** * Whether or not jobs defined in the XML file should be overwrite existing * jobs with the same name. * * @param overWriteExistingJobs */ public void setOverWriteExistingJobs(boolean overWriteExistingJobs) { this.overWriteExistingJobs = overWriteExistingJobs; } /** * The interval (in seconds) at which to scan for changes to the file. * If the file has been changed, it is re-loaded and parsed. The default * value for the interval is 0, which disables scanning. * * @return Returns the scanInterval. */ public long getScanInterval() { return scanInterval / 1000; } /** * The interval (in seconds) at which to scan for changes to the file. * If the file has been changed, it is re-loaded and parsed. The default * value for the interval is 0, which disables scanning. * * @param scanInterval The scanInterval to set. */ public void setScanInterval(long scanInterval) { this.scanInterval = scanInterval * 1000; } /** * Whether or not initialization of the plugin should fail (throw an * exception) if the file cannot be found. Default is true. */ public boolean isFailOnFileNotFound() { return failOnFileNotFound; } /** * Whether or not initialization of the plugin should fail (throw an * exception) if the file cannot be found. Default is true. */ public void setFailOnFileNotFound(boolean failOnFileNotFound) { this.failOnFileNotFound = failOnFileNotFound; } /** * Whether or not the context class loader should be used. Default is true. */ public boolean isUseContextClassLoader() { return useContextClassLoader; } /** * Whether or not context class loader should be used. Default is true. */ public void setUseContextClassLoader(boolean useContextClassLoader) { this.useContextClassLoader = useContextClassLoader; } /** * Whether or not the XML should be validated. Default is false. */ public boolean isValidating() { return validating; } /** * Whether or not the XML should be validated. Default is false. */ public void setValidating(boolean validating) { this.validating = validating; } /** * Whether or not the XML schema should be validated. Default is true. */ public boolean isValidatingSchema() { return validatingSchema; } /** * Whether or not the XML schema should be validated. Default is true. */ public void setValidatingSchema(boolean validatingSchema) { this.validatingSchema = validatingSchema; } /* * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * SchedulerPlugin Interface. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ /** *

* Called during creation of the Scheduler in order to give * the SchedulerPlugin a chance to initialize. *

* * @throws org.quartz.SchedulerConfigException * if there is an error initializing. */ public void initialize(String name, final Scheduler scheduler) throws SchedulerException { super.initialize(name, scheduler); classLoadHelper = new CascadingClassLoadHelper(); classLoadHelper.initialize(); getLog().info("Registering Quartz Job Initialization Plug-in."); // Create JobFile objects StringTokenizer stok = new StringTokenizer(fileNames, FILE_NAME_DELIMITERS); while (stok.hasMoreTokens()) { JobFile jobFile = new JobFile(stok.nextToken()); jobFiles.put(jobFile.getFilePath(), jobFile); } } public void start(UserTransaction userTransaction) { try { if (jobFiles.isEmpty() == false) { if (scanInterval > 0) { getScheduler().getContext().put(JOB_INITIALIZATION_PLUGIN_NAME + '_' + getName(), this); } Iterator iterator = jobFiles.values().iterator(); while (iterator.hasNext()) { JobFile jobFile = (JobFile)iterator.next(); if (scanInterval > 0) { String jobTriggerName = buildJobTriggerName(jobFile.getFileBasename()); SimpleTrigger trig = new SimpleTrigger( jobTriggerName, JOB_INITIALIZATION_PLUGIN_NAME, new Date(), null, SimpleTrigger.REPEAT_INDEFINITELY, scanInterval); trig.setVolatility(true); JobDetail job = new JobDetail( jobTriggerName, JOB_INITIALIZATION_PLUGIN_NAME, FileScanJob.class); job.setVolatility(true); job.getJobDataMap().put(FileScanJob.FILE_NAME, jobFile.getFilePath()); job.getJobDataMap().put(FileScanJob.FILE_SCAN_LISTENER_NAME, JOB_INITIALIZATION_PLUGIN_NAME + '_' + getName()); getScheduler().scheduleJob(job, trig); } processFile(jobFile); } } } catch(SchedulerException se) { getLog().error("Error starting background-task for watching jobs file.", se); } finally { started = true; } } /** * Helper method for generating unique job/trigger name for the * file scanning jobs (one per FileJob). The unique names are saved * in jobTriggerNameSet. */ private String buildJobTriggerName( String fileBasename) { // Name w/o collisions will be prefix + _ + filename (with '.' of filename replaced with '_') // For example: JobInitializationPlugin_jobInitializer_myjobs_xml String jobTriggerName = JOB_INITIALIZATION_PLUGIN_NAME + '_' + getName() + '_' + fileBasename.replace('.', '_'); // If name is too long (DB column is 80 chars), then truncate to max length if (jobTriggerName.length() > MAX_JOB_TRIGGER_NAME_LEN) { jobTriggerName = jobTriggerName.substring(0, MAX_JOB_TRIGGER_NAME_LEN); } // Make sure this name is unique in case the same file name under different // directories is being checked, or had a naming collision due to length truncation. // If there is a conflict, keep incrementing a _# suffix on the name (being sure // not to get too long), until we find a unique name. int currentIndex = 1; while (jobTriggerNameSet.add(jobTriggerName) == false) { // If not our first time through, then strip off old numeric suffix if (currentIndex > 1) { jobTriggerName = jobTriggerName.substring(0, jobTriggerName.lastIndexOf('_')); } String numericSuffix = "_" + currentIndex++; // If the numeric suffix would make the name too long, then make room for it. if (jobTriggerName.length() > (MAX_JOB_TRIGGER_NAME_LEN - numericSuffix.length())) { jobTriggerName = jobTriggerName.substring(0, (MAX_JOB_TRIGGER_NAME_LEN - numericSuffix.length())); } jobTriggerName += numericSuffix; } return jobTriggerName; } /** * Overriden to ignore wrapInUserTransaction because shutdown() * does not interact with the Scheduler. */ public void shutdown() { // Since we have nothing to do, override base shutdown so don't // get extranious UserTransactions. } private void processFile(JobFile jobFile) { if ((jobFile == null) || (jobFile.getFileFound() == false)) { return; } JobSchedulingDataProcessor processor = new JobSchedulingDataProcessor(isUseContextClassLoader(), isValidating(), isValidatingSchema()); try { processor.processFileAndScheduleJobs( jobFile.getFilePath(), jobFile.getFilePath(), // systemId getScheduler(), isOverWriteExistingJobs()); } catch (Exception e) { getLog().error("Error scheduling jobs: " + e.getMessage(), e); } } public void processFile(String filePath) { processFile((JobFile)jobFiles.get(filePath)); } /** * @see org.quartz.jobs.FileScanListener#fileUpdated(java.lang.String) */ public void fileUpdated(String fileName) { if (started) { processFile(fileName); } } class JobFile { private String fileName; // These are set by initialize() private String filePath; private String fileBasename; private boolean fileFound; protected JobFile(String fileName) throws SchedulerException { this.fileName = fileName; initialize(); } protected String getFileName() { return fileName; } protected boolean getFileFound() { return fileFound; } protected String getFilePath() { return filePath; } protected String getFileBasename() { return fileBasename; } private void initialize() throws SchedulerException { InputStream f = null; try { String furl = null; File file = new File(getFileName()); // files in filesystem if (!file.exists()) { URL url = classLoadHelper.getResource(getFileName()); if(url != null) { // we need jdk 1.3 compatibility, so we abandon this code... try { furl = URLDecoder.decode(url.toString(), "UTF-8"); } catch (UnsupportedEncodingException e) { furl = url.toString(); } // furl = URLDecoder.decode(url.getPath()); file = new File(furl); try { f = url.openStream(); } catch (IOException ignor) { // Swallow the exception } } } else { try { f = new java.io.FileInputStream(file); }catch (FileNotFoundException e) { // ignore } } if (f == null) { if (isFailOnFileNotFound()) { throw new SchedulerException( "File named '" + getFileName() + "' does not exist."); } else { getLog().warn("File named '" + getFileName() + "' does not exist."); } } else { fileFound = true; // commented out and addede new line to get url path for a file filePath = (furl != null) ? furl : file.getAbsolutePath(); fileBasename = file.getName(); } } finally { try { if (f != null) { f.close(); } } catch (IOException ioe) { getLog().warn("Error closing jobs file " + getFileName(), ioe); } } } }}// EOF
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