OpenJDK / jdk / hs
changeset 42854:297ba2772122
8159127: hprof heap dumps broken for lambda classdata
Summary: Added class dump records for lambda related anonymous classes in the heap dump
Reviewed-by: dsamersoff, sspitsyn
Contributed-by: jini.george@oracle.com
| author | dsamersoff |
|---|---|
| date | Tue, 20 Dec 2016 13:33:57 +0300 |
| parents | af2357d4511c |
| children | 012fe082a0b2 |
| files | test/lib/jdk/test/lib/hprof/parser/HprofReader.java |
| diffstat | 1 files changed, 10 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/test/lib/jdk/test/lib/hprof/parser/HprofReader.java Mon Dec 19 16:26:36 2016 +0100 +++ b/test/lib/jdk/test/lib/hprof/parser/HprofReader.java Tue Dec 20 13:33:57 2016 +0300 @@ -151,6 +151,10 @@ private Snapshot snapshot; + public static boolean verifyMagicNumber(int numberRead) { + return (numberRead == MAGIC_NUMBER); + } + public HprofReader(String fileName, PositionDataInputStream in, int dumpNumber, boolean callStack, int debugLevel) throws IOException { @@ -737,6 +741,12 @@ long id = readID(); StackTrace stackTrace = getStackTraceFromSerial(in.readInt()); long classID = readID(); + JavaClass searchedClass = snapshot.findClass( + "0x" + Long.toHexString(classID)); + if (searchedClass == null) { + throw new IOException( + "Class Record for 0x" + Long.toHexString(classID) + " not found"); + } int bytesFollowing = in.readInt(); int bytesRead = (2 * identifierSize) + 8 + bytesFollowing; JavaObject jobj = new JavaObject(classID, start);