https://bz.apache.org/bugzilla/show_bug.cgi?id=64184
Bug ID: 64184
Summary: Continuously trying to close the conf/tomcat-users.xml
if it doesn't exist.
Product: Tomcat 8
Version: 8.5.50
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: stefan.rouk...@sidn.nl
Target Milestone: ----
We recently installed TomEE 7.0.7 along with Tomcat 8.5.50. In the previous
Tomcat version (8.5.41) shipped with TomEE 7.0.6 we only notices an error
message "SEVERE: The specified user database [conf/tomcat-users.xml] could not
be found" because we removed the tomcat-users.xml file (we don't use that
functionality). In the 8.5.41 version of Tomcat this was no issue the error was
only displayed at startup. Now with Tomcat 8.5.50 we notice that it's trying to
close the file every 10 seconds. But throws an error because the file does not
exists.
Why should it repeatedly try to close the file if it already noticed at startup
that the file didn't exists.
Same behaviour also occurs when upgraded to TomEE 8.0.1 along with Tomcat
9.0.30
Below the errors/warnings we noticed in the catalina.out log file:
SEVERE: The specified user database [conf/tomcat-users.xml] could not be found
Feb 28, 2020 9:22:59 AM org.apache.catalina.users.MemoryUserDatabase open
WARNING: Failed to close [conf/tomcat-users.xml]
java.io.FileNotFoundException: /sidn/tomee/rdap/conf/tomcat-users.xml (No such
file or directory)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at java.io.FileInputStream.<init>(FileInputStream.java:93)
at
sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:90)
at
sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:188)
at
org.apache.catalina.users.MemoryUserDatabase.open(MemoryUserDatabase.java:465)
at
org.apache.catalina.users.MemoryUserDatabaseFactory.getObjectInstance(MemoryUserDatabaseFactory.java:107)
at
org.apache.naming.factory.FactoryBase.getObjectInstance(FactoryBase.java:96)
at
javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:321)
at org.apache.naming.NamingContext.lookup(NamingContext.java:839)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at
org.apache.naming.NamingContextBindingsEnumeration.nextElementInternal(NamingContextBindingsEnumeration.java:117)
at
org.apache.naming.NamingContextBindingsEnumeration.next(NamingContextBindingsEnumeration.java:71)
at
org.apache.naming.NamingContextBindingsEnumeration.next(NamingContextBindingsEnumeration.java:34)
at
org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:132)
at
org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:106)
at
org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycleEvent(GlobalResourcesLifecycleListener.java:81)
at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at
org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
at
org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
at
org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:759)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:688)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474)
<SNIP>
Feb 28, 2020 9:23:19 AM org.apache.catalina.users.MemoryUserDatabase
backgroundProcess
WARNING: Failed to close [conf/tomcat-users.xml]
java.io.FileNotFoundException: /sidn/tomee/rdap/conf/tomcat-users.xml (No such
file or directory)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at java.io.FileInputStream.<init>(FileInputStream.java:93)
at
sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:90)
at
sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:188)
at
org.apache.catalina.users.MemoryUserDatabase.backgroundProcess(MemoryUserDatabase.java:700)
at
org.apache.catalina.realm.UserDatabaseRealm.backgroundProcess(UserDatabaseRealm.java:160)
at
org.apache.catalina.realm.CombinedRealm.backgroundProcess(CombinedRealm.java:308)
at
org.apache.catalina.realm.CombinedRealm.backgroundProcess(CombinedRealm.java:308)
at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1145)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1381)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1353)
at java.lang.Thread.run(Thread.java:748)
<SNIP>
Feb 28, 2020 9:23:29 AM org.apache.catalina.users.MemoryUserDatabase
backgroundProcess
WARNING: Failed to close [conf/tomcat-users.xml]
java.io.FileNotFoundException: /sidn/tomee/rdap/conf/tomcat-users.xml (No such
file or directory)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at java.io.FileInputStream.<init>(FileInputStream.java:93)
at
sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:90)
at
sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:188)
at
org.apache.catalina.users.MemoryUserDatabase.backgroundProcess(MemoryUserDatabase.java:700)
at
org.apache.catalina.realm.UserDatabaseRealm.backgroundProcess(UserDatabaseRealm.java:160)
at
org.apache.catalina.realm.CombinedRealm.backgroundProcess(CombinedRealm.java:308)
at
org.apache.catalina.realm.CombinedRealm.backgroundProcess(CombinedRealm.java:308)
at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1145)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1381)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1353)
at java.lang.Thread.run(Thread.java:748)
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