FULL PRODUCT VERSION :
gdonovan@gdonovan:~/development/Search (jdk18025 *)$ /usr/java/jdk1.8.0_25/bin/java -version
java version "1.8.0_25"
Java(TM) SE Runtime Environment (build 1.8.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
CentOS release 6.2 (Final)
Linux 2.6.32-220.4.1.el6.x86_64 #1 SMP Tue Jan 24 02:13:44 GMT 2012 x86_64 x86_64 x86_64 GNU/Linux

A DESCRIPTION OF THE PROBLEM :
Histograms work without issue:
sudo /usr/java/jdk1.8.0_25/bin/jmap -J-d64 -histo -F $pid 2>&1

But heap dumps fail:
gdonovan@gdonovan:~/development/Search (jdk18025 *)$ sudo /usr/java/jdk1.8.0_25/bin/jmap -J-d64 -dump:format=b,file=$file -F $pid 2>&1
Attaching to process ID 2750, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 25.25-b02
Dumping heap to /search/tmp/heap-gdonovan-1417725219.bin ...
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at sun.tools.jmap.JMap.runTool(JMap.java:201)
at sun.tools.jmap.JMap.main(JMap.java:130)
Caused by: sun.jvm.hotspot.utilities.AssertionFailure: can not get class data for java/util/stream/Collectors$$Lambda$60x00000001001ca428
at sun.jvm.hotspot.utilities.Assert.that(Assert.java:32)
at sun.jvm.hotspot.utilities.HeapHprofBinWriter.writeInstance(HeapHprofBinWriter.java:803)
at sun.jvm.hotspot.utilities.AbstractHeapGraphWriter$1.doObj(AbstractHeapGraphWriter.java:95)
at sun.jvm.hotspot.oops.ObjectHeap.iterateLiveRegions(ObjectHeap.java:353)
at sun.jvm.hotspot.oops.ObjectHeap.iterate(ObjectHeap.java:171)
at sun.jvm.hotspot.utilities.AbstractHeapGraphWriter.write(AbstractHeapGraphWriter.java:51)
at sun.jvm.hotspot.utilities.HeapHprofBinWriter.write(HeapHprofBinWriter.java:433)
at sun.jvm.hotspot.tools.HeapDumper.run(HeapDumper.java:62)
at sun.jvm.hotspot.tools.Tool.startInternal(Tool.java:260)
at sun.jvm.hotspot.tools.Tool.start(Tool.java:223)
at sun.jvm.hotspot.tools.Tool.execute(Tool.java:118)
at sun.jvm.hotspot.tools.HeapDumper.main(HeapDumper.java:83)

REGRESSION. Last worked in version 7u55


REPRODUCIBILITY :
This bug can be reproduced always.

CUSTOMER SUBMITTED WORKAROUND :
We are unable to use jmap to generate heap dumps.