java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.util.Arrays.copyOf(Arrays.java:2219)
   at java.util.ArrayList.grow(ArrayList.java:242)
   at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:216)
   at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:208)
   at java.util.ArrayList.add(ArrayList.java:440)
   at org.antlr.runtime.tree.BaseTree.addChild(BaseTree.java:124)
   at org.netbeans.modules.css.lib.NbParseTreeBuilder.addNodeChild(NbParseTreeBuilder.java:488)
   at org.netbeans.modules.css.lib.NbParseTreeBuilder.enterRule(NbParseTreeBuilder.java:128)
   at org.netbeans.modules.css.lib.Css3Parser.cp_expression(Css3Parser.java:14172)
   at org.netbeans.modules.css.lib.Css3Parser.fnAttribute(Css3Parser.java:13040)
   at org.netbeans.modules.css.lib.Css3Parser.fnAttributes(Css3Parser.java:12746)
   at org.netbeans.modules.css.lib.Css3Parser.function(Css3Parser.java:12572)
   at org.netbeans.modules.css.lib.Css3Parser.term(Css3Parser.java:12126)
   at org.netbeans.modules.css.lib.Css3Parser.cp_math_expression_atom(Css3Parser.java:14952)
   at org.netbeans.modules.css.lib.Css3Parser.cp_math_expression(Css3Parser.java:14776)
   at org.netbeans.modules.css.lib.Css3Parser.cp_expression_atom(Css3Parser.java:14527)
   at org.netbeans.modules.css.lib.Css3Parser.cp_expression(Css3Parser.java:14185)
   at org.netbeans.modules.css.lib.Css3Parser.fnAttribute(Css3Parser.java:13040)
   at org.netbeans.modules.css.lib.Css3Parser.fnAttributes(Css3Parser.java:12843)
   at org.netbeans.modules.css.lib.Css3Parser.function(Css3Parser.java:12572)
   at org.netbeans.modules.css.lib.Css3Parser.term(Css3Parser.java:12126)
   at org.netbeans.modules.css.lib.Css3Parser.expression(Css3Parser.java:11826)
   at org.netbeans.modules.css.lib.Css3Parser.propertyValue(Css3Parser.java:11486)
   at org.netbeans.modules.css.lib.Css3Parser.propertyDeclaration(Css3Parser.java:11170)
   at org.netbeans.modules.css.lib.Css3Parser.declaration(Css3Parser.java:8388)
   at org.netbeans.modules.css.lib.Css3Parser.declarations(Css3Parser.java:8121)
   at org.netbeans.modules.css.lib.Css3Parser.rule(Css3Parser.java:8031)
   at org.netbeans.modules.css.lib.Css3Parser.bodyItem(Css3Parser.java:4410)
   at org.netbeans.modules.css.lib.Css3Parser.body(Css3Parser.java:4133)
   at org.netbeans.modules.css.lib.Css3Parser.styleSheet(Css3Parser.java:691)
   at org.netbeans.modules.css.lib.nbparser.CssParser.parse(CssParser.java:127)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParse(TaskProcessor.java:610)