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Kelly H Wilkerson updated FOP-2920: ----------------------------------- Attachment: 2920.patch > [PATCH] Surrogate pair edge-case causes > java.lang.ArrayIndexOutOfBoundsException > -------------------------------------------------------------------------------- > > Key: FOP-2920 > URL: https://issues.apache.org/jira/browse/FOP-2920 > Project: FOP > Issue Type: Bug > Components: renderer/pdf > Affects Versions: 2.5 > Environment: macOS Mojave > java version "1.8.0_192-ea" > Java(TM) SE Runtime Environment (build 1.8.0_192-ea-b04) > Java HotSpot(TM) 64-Bit Server VM (build 25.192-b04, mixed mode) > Reporter: Kelly H Wilkerson > Priority: Minor > Attachments: 2920.patch, TwitterColorEmoji-SVGinOT.ttf, diff.txt, > fail.xml, twe_template.fo, twe_userconfig.xml > > > fop-core/src/main/java/org/apache/fop/pdf/PDFToUnicodeCMap.java > writeBFCharEntries runs through the codepoint entries in sections of 100 at a > time. It looks like there's an edge case here where the last entry in the > section is a surrogate pair. > > Here's my steps to reproduce from the latest trunk: > {{java -cp > fop/target/fop-2.5.0-SNAPSHOT.jar:fop/lib/commons-logging-1.0.4.jar:fop/lib/commons-io-1.3.1.jar:fop/lib/xmlgraphics-commons-svn-trunk.jar > org.apache.fop.fonts.apps.TTFReader TwitterColorEmoji-SVGinOT.ttf twe.xml}} > {{java -cp > fop/target/fop-2.5.0-SNAPSHOT.jar:fop/lib/commons-logging-1.0.4.jar:fop/lib/commons-io-1.3.1.jar:fop/lib/xmlgraphics-commons-svn-trunk.jar:fop/lib/batik-all-1.11.0-SNAPSHOT.jar > org.apache.fop.cli.Main -c twe_userconfig.xml -xsl twe_template.fo -xml > fail.xml -pdf fail.pdf}} > > Here's the temporary way I resolved it for my own build: > > index ee773dcec..37c21803e 100644 > --- a/fop-core/src/main/java/org/apache/fop/pdf/PDFToUnicodeCMap.java > +++ b/fop-core/src/main/java/org/apache/fop/pdf/PDFToUnicodeCMap.java > @@ -128,6 +128,18 @@ public class PDFToUnicodeCMap extends PDFCMap { > while (partOfRange(charArray, charIndex)) { > charIndex++; > } > /* > * If this entry is going to overflow the entriesThisSection > * array, then don't use it. This happens if there are > * non-pair entries in the table mixed with pair entries. > */ > if (Character.codePointAt(charArray, charIndex) > 0xFFFF > && i+1 >= entriesThisSection) { > entriesThisSection--; > break; > } > writer.write("<" + padCharIndex(charIndex) + "> "); > if (Character.codePointAt(charArray, charIndex) > 0xFFFF) { -- This message was sent by Atlassian Jira (v8.3.4#803005)