I'm sure you'll consume less threads if you use an external db instead of the embedded.
Emmanuel On Tue, Jun 10, 2008 at 12:27 AM, Paul Spencer <[EMAIL PROTECTED]> wrote: > I think I have found the cause of this error. The Continuum web > application and Tomcat are consuming 44 threads when all is idle. The > default max thread count on HP-UX is 64 per process. When Archiva is added > to the Tomcat instance the thread count hits 64. > > Below is the database configuration in context.xml. > <Resource name="jdbc/continuum" > auth="Container" > type="javax.sql.DataSource" > username="sa" > password="" > driverClassName="org.apache.derby.jdbc.EmbeddedDriver" > url="jdbc:derby:/internal/continuum/db/continuum;create=true" > /> > > So my questions are: > 1) Why are so many threads being used? > > 2) How can be minimize the thread count? > > Paul Spencer > > > > > Paul Spencer wrote: > >> Wendy Smoak wrote: >> >>> On Mon, Jun 9, 2008 at 8:52 AM, Paul Spencer <[EMAIL PROTECTED]> wrote: >>> >>> Now that I have Archiva and Continuum running in the same Tomcat 6.0.16, >>>> I >>>> am seeing the exception "java.lang.OutOfMemoryError: unable to create >>>> new >>>> native thread" in catalina.out. >>>> >>>> JVM = build 1.5.0.01 >>>> OS = HP-UX 11.11 >>>> >>> >>> That looks familiar. :) Who is the JDK vendor? (ISTR that something >>> in Redback requires a Sun JDK...) >>> >> >> $ $JAVA_HOME/bin/java -version >> java version "1.5.0.01" Java(TM) 2 Runtime Environment, Standard Edition >> (build 1.5.0.01-_06_jun_2005_05_20) >> Java HotSpot(TM) Server VM (build 1.5.0.01 jinteg:06.06.05-04:39 PA2.0 >> (aCC_AP), mixed mode) >> >> >> >>> java.lang.OutOfMemoryError: unable to create new native thread >>>>> >>>> >>> I suspect the memory and/or stack configuration need to be altered, but >>>> I am >>>> not sure which ones to alter. Currently CATALINA_OPT = >>>> '-Dapplication.base=$ARCHIVA_BASE -Dapplication.home=$ARCHIVA_BASE" >>>> >>> >>> If the message is in the Catalina log, you probably need to give >>> Tomcat itself more memory. This might help: >>> http://wiki.apache.org/tomcat/FAQ/Memory >>> >>> >> Paul Spencer >> >> >> >
