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InstantDB: permission denied when write to trace.log


the problem is that this file is generated on runtime, so if user A runs and
then user B
tries to use the same application it will fail ( I had the same problem) the
solution will
be to get the source from instantDB and change the file mask, but appears that
this will not be possible, so as temp solution I modified the  properties file
from:

! Sets the level of transaction journalling. See trans.html.
! Defaults to 1.
!
! 0 - No journalling takes place.
! 1 - Normal journalling (default).
! 2 - Full journalling.
!
transLevel=1

to
! Sets the level of transaction journalling. See trans.html.
! Defaults to 1.
!
! 0 - No journalling takes place.
! 1 - Normal journalling (default).
! 2 - Full journalling.
!
transLevel=0

this will not generate the file.




Wei Guo wrote:

  Hi,

  We got some problem when we run instantDB on Apache: the permission of
  writing to trace.log is denied.

  The error message we got is:

  java.sql.SQLException: IO problem: java.io.FileNotFoundException:
  ./trace.log (Permission denied)
          at
  org.enhydra.instantdb.jdbc.idbConnection.<init>(idbConnection.java:87)
          at org.enhydra.instantdb.jdbc.idbDriver.connect(idbDriver.java:40)
          at java.sql.DriverManager.getConnection(DriverManager.java:517)
          at java.sql.DriverManager.getConnection(DriverManager.java:199)
          at
  com.riverdelta.sms.server.ServletPool.setupSMSlogDatabase(ServletPool.java:6
  12)
          at
  com.riverdelta.sms.server.ServletPool.<init>(ServletPool.java:719)
          at
  com.riverdelta.sms.server.ServletPool.getInstance(ServletPool.java:439)
          at com.riverdelta.sms.server.LoginServlet.task(LoginServlet.java:90)
          at
  com.riverdelta.sms.server.LoginServlet.doPost(LoginServlet.java:57)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:521)
          at
  com.riverdelta.sms.server.LoggingServlet.service(LoggingServlet.java:99)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:588)
          at
  org.apache.jserv.JServConnection.processRequest(JServConnection.java:317)
          at org.apache.jserv.JServConnection.run(JServConnection.java:188)
          at java.lang.Thread.run(Thread.java:484)

  Do you have any suggesion on this? Thanks a lot.

  Wei
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