{"id":15417,"date":"2018-05-24T05:21:25","date_gmt":"2018-05-24T12:21:25","guid":{"rendered":"https:\/\/ephesoft.com\/docs\/?p=15417"},"modified":"2022-04-01T09:58:48","modified_gmt":"2022-04-01T16:58:48","slug":"java-util-concurrentmodificationexception","status":"publish","type":"post","link":"https:\/\/ephesoft.com\/docs\/java-util-concurrentmodificationexception\/","title":{"rendered":"Batch Errors with ConcurrentModificationException"},"content":{"rendered":"<p id=\"aui-3-18-0-4_115719\"><span style=\"color: #333333\"><strong id=\"aui-3-18-0-4_328285\">Applies to: <\/strong>Ephesoft Transact prior to 4.5.0.0<\/span><br \/>\n<span style=\"color: #333333\"><strong>Resolved in:\u00a0<\/strong>Ephesoft Transact 4.5.0.0<\/span><\/p>\n<h2><span style=\"color: #333333\"><strong id=\"aui-3-18-0-4_183162\">Issue<\/strong><\/span><\/h2>\n<p><span style=\"color: #333333\">Batch Instance goes to error state with <code>ConcurrentModificationException<\/code> when executing the field change value script<\/span><\/p>\n<p><span style=\"color: #333333\">Sample Exception Stack Trace:<\/span><\/p>\n<pre style=\"font-weight: 400\"><span style=\"color: #333333\">4.1.3.0 Windows Server 2012 R2 2018-04-24 11:59:17,247 ERROR http-apr-8080-exec-15 com.ephesoft.dcma.script.ScriptExecutor-\r\n<\/span>java.util.ConcurrentModificationException<\/pre>\n<pre style=\"font-weight: 400\"><span style=\"color: #333333\"> \u00a0\u00a0\u00a0\u00a0\u00a0 at\u00a0java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 at\u00a0java.util.ArrayList$Itr.next(ArrayList.java:851)\r\n \u00a0\u00a0\u00a0\u00a0\u00a0 at com.sun.xml.bind.v2.runtime.reflect.Lister$CollectionLister$1.next(Lister.java:284)\r\n \u00a0\u00a0\u00a0\u00a0\u00a0 at com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.serializeListBody(ArrayElementProperty.java:135)\r\n \u00a0\u00a0\u00a0\u00a0\u00a0 at com.sun.xml.bind.v2.runtime.property.ArrayERProperty.serializeBody(ArrayERProperty.java:152)\r\n \u00a0\u00a0\u00a0\u00a0\u00a0 at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:332)\r\n \u00a0\u00a0\u00a0\u00a0\u00a0 at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:698)\r\n \u00a0\u00a0\u00a0\u00a0\u00a0 at com.sun.xml.bind.v2.runtime.property.SingleElementNodeProperty.serializeBody(SingleElementNodeProperty.java:152)<\/span><\/pre>\n<p id=\"aui-3-18-0-4_55568\"><span style=\"color: #333333\"><b>\u00a0<\/b><span id=\"aui-3-18-0-4_183168\">This is a known issue for Ephesoft versions prior to 4.5.0.0, in which very few scenarios the field value change script would run multiple times, putting the batch into error and throwing the <code>ConcurrentModificationException<\/code>. This has a low impact on batch instance processing. <\/span><\/span><\/p>\n<p><span id=\"aui-3-18-0-4_183168\" style=\"color: #333333\">To resolve this issue, upgrade to Transact 4.5.0.0 or above.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Applies to: Ephesoft Transact prior to 4.5.0.0 Resolved in:\u00a0Ephesoft Transact 4.5.0.0 Issue Batch Instance goes to error state with ConcurrentModificationException [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12365],"tags":[1331,12409,227,12408],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.0 (Yoast SEO v22.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Batch Errors with ConcurrentModificationException | Ephesoft Docs<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" 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