loggly OOM freeze when there is an output 503

gistfile1.txt

2012-10-05T03:21:11.60448 W, [2012-10-05T03:21:11.604000 #2204]  WARN -- : Output thread exception {"timestamp":"2012-10-05T03:21:11.604000 +0000",
"plugin":"LogStash::Outputs::Loggly: {\"host\"=>\"logs01.loggly.net\", \"key\"=>\"SANITIZED\", \"type\"=>\"\", \"tags\"=>[], \"proto\"=>\"http\"}","exception":"503 \"Server down\"","backtrace":["file:/opt/knewton/logstash/logstash-monolithic.jar!/META-INF/jruby.home/
lib/ruby/1.9/net/http.rb:2303:in `error!'","file:/opt/knewton/logstash/logstash-monolithic.jar!/logstash/outputs/loggly.rb:77:in `receive'","file:/
opt/knewton/logstash/logstash-monolithic.jar!/logstash/outputs/base.rb:48:in `handle'","file:/opt/knewton/logstash/logstash-monolithic.jar!/logstas
h/agent.rb:674:in `run_output'","file:/opt/knewton/logstash/logstash-monolithic.jar!/logstash/agent.rb:333:in `start_output'"],"message":"Output th
read exception","level":"warn"}
2012-10-05T09:28:03.30075 Exception in thread "filter|worker|0" java.lang.OutOfMemoryError: Java heap space
2012-10-05T09:28:03.30114       at org.jruby.util.ByteList.<init>(ByteList.java:91)
2012-10-05T09:28:03.30122       at org.jruby.RubyString.addByteLists(RubyString.java:1058)
2012-10-05T09:28:03.30129       at org.jruby.RubyString.op_plus19(RubyString.java:1048)2012-10-05T09:28:03.30136       at org.jruby.RubyString$i$1$0$op_plus19.call(RubyString$i$1$0$op_plus19.gen:65535)
2012-10-05T09:28:03.30144       at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:167)2012-10-05T09:28:03.30151       at org.jruby.javasupport.util.RuntimeHelpers.opAsgnWithMethod(RuntimeHelpers.java:1610)
2012-10-05T09:28:03.30158       at rubyjit.append_061A6576C9A152011A83A5EEEA2DCBCBFB395CA5.__file__(file:/opt/knewton/logstash/logstash-monolithic.
jar!/logstash/event.rb:146)
2012-10-05T09:28:03.30166       at rubyjit.append_061A6576C9A152011A83A5EEEA2DCBCBFB395CA5.__file__(file:/opt/knewton/logstash/logstash-monolithic.
jar!/logstash/event.rb)
2012-10-05T09:28:03.30173       at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:167)
2012-10-05T09:28:03.30180       at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:167)2012-10-05T09:28:03.30188       at rubyjit.filter_0A0B2EF6C098195D17BA2FDFAC1C9A3CB030698E.__file__(file:/opt/knewton/logstash/logstash-monolithic.
jar!/logstash/filters/multiline.rb:130)2012-10-05T09:28:03.30195       at rubyjit.filter_0A0B2EF6C098195D17BA2FDFAC1C9A3CB030698E.__file__(file:/opt/knewton/logstash/logstash-monolithic.
jar!/logstash/filters/multiline.rb)2012-10-05T09:28:03.30202       at org.jruby.internal.runtime.methods.JittedMethod.call(JittedMethod.java:187)2012-10-05T09:28:03.30209       at org.jruby.runtime.callsite.CachingCallSite.cacheAndCall(CachingCallSite.java:322)
2012-10-05T09:28:03.30216       at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:178)2012-10-05T09:28:03.30224       at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:187)2012-10-05T09:28:03.30231       at rubyjit.filter_3F595277C3CDE099D0342BAFC73B86C737D96873.block_1$RUBY$__file__(file:/opt/knewton/logstash/logstas
h-monolithic.jar!/logstash/filterworker.rb:57)2012-10-05T09:28:03.30239       at rubyjit$filter_3F595277C3CDE099D0342BAFC73B86C737D96873$block_1$RUBY$__file__.call(rubyjit$filter_3F595277C3CDE099D0342BAFC73B86C737D96873$block_1$RUBY$__file__:65535)
2012-10-05T09:28:03.30246       at org.jruby.runtime.CompiledBlock19.yield(CompiledBlock19.java:130)2012-10-05T09:28:03.30253       at org.jruby.runtime.Block.yield(Block.java:130)2012-10-05T09:28:03.30262       at org.jruby.RubyArray.eachCommon(RubyArray.java:1605)
2012-10-05T09:28:03.30269       at org.jruby.RubyArray.each(RubyArray.java:1612)2012-10-05T09:28:03.30276       at org.jruby.RubyArray$i$0$0$each.call(RubyArray$i$0$0$each.gen:65535)2012-10-05T09:28:03.30284       at org.jruby.runtime.callsite.CachingCallSite.callBlock(CachingCallSite.java:142)
2012-10-05T09:28:03.30291       at org.jruby.runtime.callsite.CachingCallSite.callIter(CachingCallSite.java:153)
2012-10-05T09:28:03.30298       at rubyjit.filter_3F595277C3CDE099D0342BAFC73B86C737D96873.block_0$RUBY$__file__(file:/opt/knewton/logstash/logstash-monolithic.jar!/logstash/filterworker.rb:49)
2012-10-05T09:28:03.30305       at rubyjit$filter_3F595277C3CDE099D0342BAFC73B86C737D96873$block_0$RUBY$__file__.call(rubyjit$filter_3F595277C3CDE099D0342BAFC73B86C737D96873$block_0$RUBY$__file__:65535)
2012-10-05T09:28:03.30313       at org.jruby.runtime.CompiledBlock19.yield(CompiledBlock19.java:130)
2012-10-05T09:28:03.30320       at org.jruby.runtime.Block.yield(Block.java:130)
2012-10-05T09:28:03.30327       at org.jruby.RubyArray.eachCommon(RubyArray.java:1605)
2012-10-05T09:28:03.30334       at org.jruby.RubyArray.each(RubyArray.java:1612)
2012-10-05T09:28:03.30341       at org.jruby.RubyArray$i$0$0$each.call(RubyArray$i$0$0$each.gen:65535)
2013-01-21T16:55:42.78481 W, [2013-01-21T16:55:42.784000 #2204]  WARN -- : SIGTERM received, shutting down. {"timestamp":"2013-01-21T16:55:42.784000 +0000","message":"SIGTERM received, shutting down.","level":"warn"}