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  1. ,

    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.

  2. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

Solutions on the web

via Atlassian JIRA by Aqqiela Zuhra, 1 year ago
via Atlassian JIRA by Aqqiela Zuhra [Atlassian], 1 year ago
via Oracle Community by 807605, 7 months ago
For input string: ""
via GitHub by joonlee3
, 2 years ago
For input string: "+"
via Appcelerator JIRA by Christopher Williams, 1 year ago
java.lang.NumberFormatException: For input string: "4a"	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)	at java.lang.Integer.parseInt(Integer.java:492)	at java.lang.Integer.parseInt(Integer.java:527)	at org.osgi.framework.Version.(Version.java:133)	at com.atlassian.jpo.apis.Version.(Version.java:11)	at com.atlassian.jpo.jira.api.JiraVersionAccessor.getVersion(JiraVersionAccessor.java:27)	at com.atlassian.jpo.apis.VersionAwareSpringProxyInvocationHandler.invoke(VersionAwareSpringProxyInvocationHandler.java:30)	at com.sun.proxy.$Proxy6484.getGroupsForUser(Unknown Source)	at com.radiantminds.roadmap.jira.common.components.extension.users.JiraUserExtension.getActiveUserData(JiraUserExtension.java:75)	at com.radiantminds.roadmap.common.permissions.PluginPermissions.check(PluginPermissions.java:52)	at com.radiantminds.roadmap.common.permissions.PluginPermissions.check(PluginPermissions.java:73)	at com.radiantminds.plugins.jira.conditions.PluginAdminAccessCondition.shouldDisplay(PluginAdminAccessCondition.java:32)	at com.atlassian.plugin.web.DefaultWebInterfaceManager.filterFragmentsByCondition(DefaultWebInterfaceManager.java:153)	at com.atlassian.plugin.web.DefaultWebInterfaceManager.getDisplayableItems(DefaultWebInterfaceManager.java:106)	at com.atlassian.plugin.web.DefaultWebInterfaceManager.getDisplayableWebItems(DefaultWebInterfaceManager.java:214)	at com.atlassian.jira.plugin.webfragment.DefaultSimpleLinkManager.getLinksForSection(DefaultSimpleLinkManager.java:131)	at com.atlassian.jira.plugin.webfragment.DefaultSimpleLinkManager.getLinksForSection(DefaultSimpleLinkManager.java:124)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.getLinksForSection(AdminDecoratorHelper.java:583)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.getSectionContainsAtleastOneLink(AdminDecoratorHelper.java:601)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.makeSideMenuSoyRenderData(AdminDecoratorHelper.java:369)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.makeChildSectionsForSection(AdminDecoratorHelper.java:391)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.makeSideMenuSoyRenderData(AdminDecoratorHelper.java:380)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.makeChildSectionsForSection(AdminDecoratorHelper.java:391)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.makeSideMenuSoyRenderData(AdminDecoratorHelper.java:380)	at com.atlassian.jira.web.sitemesh.AdminDecoratorHelper.setCurrentTab(AdminDecoratorHelper.java:115)	at org.apache.jsp.decorators.admin_jsp._jspService(admin_jsp.java:191)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)