JDK ORB char conversion preceeded by empty string conversion fails with ArrayIndexOutOfBoundsException ------------------------------------------------------------------------------------------------------ Key: WFLY-7050 URL: https://issues.jboss.org/browse/WFLY-7050 Project: WildFly Issue Type: Bug Components: IIOP Affects Versions: 10.1.0.Final Reporter: Konstantin Glazkov Assignee: Tomasz Adamski Attachments: empty_string_followed_by_char_conversion_suggested_fix.patch, empty_string_followed_by_char_conversion_unit_test.patch, empty_string_followed_by_char_conversion_unit_test_fix.patch If IDL structure contains string and char fields, and generated *Helper#write method looks like ostream.write_string (value.string_field); //empty string ostream.write_char (value.char_field); //any char without non-empty strings before char field, then write_char method will fail with stacktrace: Caused by: java.lang.ArrayIndexOutOfBoundsException: 0 at com.sun.corba.se.impl.encoding.CodeSetConversion$JavaCTBConverter.convert(CodeSetConversion.java:206) [openjdk-orb-8.0.6.Final.jar:8.0.6.Final] at com.sun.corba.se.impl.encoding.CDROutputStream_1_0.write_char(CDROutputStream_1_0.java:318) [openjdk-orb-8.0.6.Final.jar:8.0.6.Final] at com.sun.corba.se.impl.encoding.CDROutputStream.write_char(CDROutputStream.java:138) [openjdk-orb-8.0.6.Final.jar:8.0.6.Final] at SomeClassHelper.write(SomeClassHelper.java:<some line>) Suggested fix is in attachment "empty_string_followed_by_char_conversion_suggested_fix.patch"