[DERBY-2344] 'java.lang.OutOfMemoryError: Java heap space' in NetworkServerThread

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: 10.3.1.4
• Component/s: Network Server, Services

Environment

JVM: Sun Microsystems Inc. - 1.5.0_05-b05
OS: Fedora Core release 5 (Bordeaux) 32bits - Linux 2.6.17-1.2174_FC5 #1 Tue Aug 8 15:30:55 EDT 2006
HW: 1 X Intel(R) Pentium(R) 4 CPU 2.66GHz: 2656.261 MHz, 512 KB cache. 773284 kB Total Memory.

JVM: Sun Microsystems Inc. 1.5.0_06-b04
OS: Solaris Nevada snv_27a X86 64 bits - SunOS 5.11 snv_27
HW: 1 X x86 AuthenticAMD family 15 model 36 step 2 (AMD Turion(tm) 64 Mobile Technology ML-37): 2000 MHz, unknown cache. 1023 Megabytes Total Memory

JVM: Sun Microsystems Inc. - 1.5.0_05-b05
OS: Microsoft Windows XP Professional - 5.1.2600 Service Pack 2 Build 2600 - CYGWIN_NT-5.1 1.5.18(0.132/4/2) 2005-07-02 20:30 Cygwin
HW: 1 X Ferrari 4000 x86 Family 15 Model 36 Stepping 2 AuthenticAMD: ~2000 MHz, 2,048 MB cache. 1,022 Total Memory.

• Bug behavior facts: Regression Test Failure
• Assignee: Unassigned
• Reporter: Ole Solberg
• Created: 16/Feb/07 09:06
• Updated: 29/Jun/09 22:42
• Resolved: 24/Nov/08 08:13

Description

I see this only on test machines with 1Gb of memory or less. Our lab-machines with 2Gb mem show now problems.

See http://dbtg.thresher.com/derby/test/trunk15/jvm1.5/testing/Limited/testSummary-508068.html

Extract from a typical thread dump:

"main" prio=1 tid=0x09e2a760 nid=0xef6 runnable [0xbfd89000..0xbfd8a418]
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at org.apache.derby.client.net.Reply.fill(Unknown Source)
at org.apache.derby.client.net.Reply.ensureALayerDataInBuffer(Unknown Source)
at org.apache.derby.client.net.Reply.readDssHeader(Unknown Source)
at org.apache.derby.client.net.Reply.startSameIdChainParse(Unknown Source)
at org.apache.derby.client.net.NetConnectionReply.readExchangeServerAttributes(Unknown Source)
at org.apache.derby.client.net.NetConnection.readServerAttributesAndKeyExchange(Unknown Source)
at org.apache.derby.client.net.NetConnection.flowServerAttributesAndKeyExchange(Unknown Source)
at org.apache.derby.client.net.NetConnection.flowUSRIDPWDconnect(Unknown Source)
at org.apache.derby.client.net.NetConnection.flowConnect(Unknown Source)
at org.apache.derby.client.net.NetConnection.<init>(Unknown Source)
at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl.newNetConnection(Unknown Source)
at org.apache.derby.jdbc.ClientDriver.connect(Unknown Source)
at java.sql.DriverManager.getConnection(DriverManager.java:525)

• locked <0x8cda8a18> (a java.lang.Class)
  at java.sql.DriverManager.getConnection(DriverManager.java:171)
• locked <0x8cda8a18> (a java.lang.Class)
  at org.apache.derbyTesting.junit.DriverManagerConnector.openConnection(DriverManagerConnector.java:76)
  at org.apache.derbyTesting.junit.DriverManagerConnector.openConnection(DriverManagerConnector.java:43)
  at org.apache.derbyTesting.junit.TestConfiguration.openDefaultConnection(TestConfiguration.java:764)
  at org.apache.derbyTesting.junit.BaseJDBCTestCase.openDefaultConnection(BaseJDBCTestCase.java:205)
  at org.apache.derbyTesting.junit.BaseJDBCTestCase.getConnection(BaseJDBCTestCase.java:90)
  at org.apache.derbyTesting.functionTests.tests.jdbcapi.BlobClob4BlobTest.setUp(BlobClob4BlobTest.java:56)
  at junit.framework.TestCase.runBare(TestCase.java:128)
  .
  .

Issue Links

• relates to: DERBY-2380 A statement plan holds onto resources such as its generated class even after it has been invalidated.
• relates to: DERBY-3102 Statements are not removed from the cache, even when they are of no use, e.g. statements that reference a dropped table.

Sub-Tasks

• InListMultiProbeTest creates 30000 DataRow objects that do not get released during suites.All run: Closed