[AURORA-478] /cron endpoint is broken after quartz change

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Component/s: Scheduler
• Assignee: Unassigned
• Reporter: Kevin Sweeney
• Created: 27/May/14 19:12
• Updated: 25/Jun/14 20:24
• Resolved: 30/May/14 18:57

Description

The /cron endpoint consistently 500s after the quartz library was introduced with the following stack trace:

java.lang.NullPointerException
	at java.util.regex.Matcher.getTextLength(Matcher.java:1234)
	at java.util.regex.Matcher.reset(Matcher.java:308)
	at java.util.regex.Matcher.<init>(Matcher.java:228)
	at java.util.regex.Pattern.matcher(Pattern.java:1088)
	at org.apache.aurora.scheduler.cron.CrontabEntry$Parser.<init>(CrontabEntry.java:351)
	at org.apache.aurora.scheduler.cron.CrontabEntry.parse(CrontabEntry.java:126)
	at org.apache.aurora.scheduler.cron.quartz.CronJobManagerImpl.getScheduledJobs(CronJobManagerImpl.java:247)
	at org.apache.aurora.scheduler.http.Cron.dumpContents(Cron.java:51)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
	at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
	at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
	at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
	at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
	at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
	at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1511)
	at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1442)
	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)
	at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)
	at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
	at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)
	at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:910)
	at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:858)
	at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:812)
	at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
	at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
	at org.apache.aurora.scheduler.http.LeaderRedirectFilter.doFilter(LeaderRedirectFilter.java:50)
	at com.twitter.common.net.http.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:28)