java.lang.StringIndexOutOfBoundsException: begin 1, end 0, length 0 at java.base/java.lang.String.checkBoundsBeginEnd(String.java:4606) at java.base/java.lang.String ...

java.lang.string.substring.nocopy is not documented, but can be used to fix a difference in behavior with Hotspot as per eclipse-openj9/openj9#8102 (comment) ...

start : This is required. This is the numeric index used to start point of the sub string. end : This is optional parameter. This is numeric index used to stop the ...