java.lang.NumberFormatException: null

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You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

Solutions on the web

via Jenkins JIRA by vojtechhabarta, 1 year ago
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via Jenkins JIRA by vojtechhabarta, 1 year ago
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via Google Groups by Chip Burke, 10 months ago
java.lang.NumberFormatException: null
at java.lang.Integer.parseInt(Integer.java:415)
at java.lang.Integer.parseInt(Integer.java:497)
at hudson.model.Job$2.compare(Job.java:329)
at hudson.model.Job$2.compare(Job.java:327)
at hudson.widgets.HistoryWidget.doAjax(HistoryWidget.java:118)
at sun.reflect.GeneratedMethodAccessor267.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:103)
at org.kohsuke.stapler.Function.bindAndinvoke(Function.java:57)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:75)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:432)
at org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:375)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:432)
at org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:254)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:432)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:360)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:88)

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