JT-19577: Java heap space

java.lang.OutOfMemoryError: Java heap space

Environment details

host: trac2
base url: http://issuetracker.indeed-id.com/youtrack
version: 4.2.1
build: 5969 [20-Mar-2013 16:59]
java.version: 1.6.0_20
java.vendor: Sun Microsystems Inc.
java.vm.specification.version: 1.0
java.vm.specification.vendor: Sun Microsystems Inc.
java.vm.specification.name: Java Virtual Machine Specification
java.vm.version: 19.0-b09
java.vm.vendor: Sun Microsystems Inc.
java.vm.name: OpenJDK Client VM
java.specification.version: 1.6
java.specification.vendor: Sun Microsystems Inc.
java.specification.name: Java Platform API Specification
java.class.version: 50.0
os.name: Linux
os.arch: i386
os.version: 2.6.32-38-generic-pae
Max memory: 126 MB (132579328 bytes)
Free memory: 1 MB (1085712 bytes)
Total memory: 126 MB (132579328 bytes)
Available processors: 1
Thrown at: Monday, April 29, 2013 9:12:32 AM CEST