This bug was originally marked as duplicate of bug 209982, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.

Build: NetBeans IDE 8.2 (Build 201609300101)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.101-b13, Java(TM) SE Runtime Environment, 1.8.0_101-b13
OS: Linux

User Comments:
galerien: When i try to debug a php program

GUEST: I was debugging PHP code with XDebug, and the Variables window did not update the value stored in variables: I had a $this->_events[] variable, shown with 0 elements, while it had at least 3 elements. I knew that once I inspected the variable by creating a "watch".

GUEST: Debugging a PHP app on local Docker container

GUEST: don't remember

GUEST: Debugging of a PHP Project

GUEST: maxed out my cpu, had to kill process

GUEST: very slow debug

GUEST: Java Heap Space error during xDebug(ging).

GUEST: Using XDebug to debug a PHP page, and NetBeans/XDebug froze

GUEST: got this when app opened after restarting laptop

GUEST: had to kill, using up 100% cpu

GUEST: J

GUEST: I tried to debug a ControllerTest with phpunit...

telefoontoestel: Error while debuggin with a large dataset. ID froze completely and needed to be killed from the taskmanager.

GUEST: -

GUEST: Seems like hanged during XDebug session.

GUEST: debugging

GUEST: Debugging php code

GUEST: Using xdebug for php debugging.

GUEST: Editing more when 20 php files

GUEST: happens a lot now

GUEST: ???????? IDE




Stacktrace: 
java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOfRange(Arrays.java:3664)
   at java.lang.String.<init>(String.java:207)
   at java.lang.StringBuilder.toString(StringBuilder.java:407)
   at org.netbeans.modules.php.dbgp.packets.DbgpMessage.removeNonXMLCharacters(DbgpMessage.java:329)
   at org.netbeans.modules.php.dbgp.packets.DbgpMessage.getNode(DbgpMessage.java:341)
   at org.netbeans.modules.php.dbgp.packets.DbgpMessage.create(DbgpMessage.java:122)