java.lang.IllegalArgumentException: Illegal group reference

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via Apache's JIRA Issue Tracker by Dominik Stadler, 1 year ago
Illegal group reference
via grokbase.com by Unknown author, 1 year ago
via Oracle Community by 807594, 1 year ago
Illegal group reference
java.lang.IllegalArgumentException: Illegal group reference
at org.apache.commons.mail.ImageHtmlEmail.replacePattern(ImageHtmlEmail.java:180)
at org.apache.commons.mail.ImageHtmlEmail.buildMimeMessage(ImageHtmlEmail.java:103)
at undefined.EmailSender.sendHTMLEmail(EmailSender.java:93)

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