You might check your logging configuration. Switch the SLF4J to use the SimpleLogger and see if that works. If you are using Log4J or JCL and it can not find the CONF file then SLF4J can not create an instance of the logger and will have a null pointer exception when you try and start the service or to be more specific when the service tried to create an instance of the logger and/or tries to use the logger.
-nxn On Jan 15, 2:25 pm, Thanasis <[email protected]> wrote: > Hi, > > I think that it's obvious that something is different in the two > machines. If you can identify the differences I might be able to help. > > On Jan 15, 5:55 am, Daya Shanker <[email protected]> wrote: > > > Hello, > > I have two Linux machine. On one machine SMSLib application i.e. > > SendMessage.java and CommTest.java utility is working perfectly fine and > > CommTest utility is detecting port perfectly fine, But on second machine It > > is not working with same modem. CommTest utility is also not able to detect > > the port to which it is connected. I did same configuration on both machine. > > I am using rxtx library on both machine I also tried with comm library, but > > problem is same. > > > Please help me. what may be the problem. why such problem is coming. > > > Thanks for reply. > > > Regards > > Daya S Chaubey > > > On Thu, Jan 14, 2010 at 6:59 PM, Thanasis <[email protected]> wrote: > > > Yes - plugging out the modem while the Service is running may put > > > Service in a "death" status... > > > > On Jan 14, 12:37 pm, Daya Shanker <[email protected]> wrote: > > > > Hello, > > > > > I tried with both library but same problem is coming. One question I > > > > want > > > to > > > > know, If I plug out the modem while Service is running, will it affect > > > GSM > > > > Modem when starting service next time? > > > > > I am not understanding the problem, please help me.. > > > > > Thanks > > > > > Daya S Chaubey > > > > > On Thu, Jan 14, 2010 at 3:21 PM, Thanasis <[email protected]> wrote: > > > > > From your description and source-of-exception, I would assume that > > > > > there is something wrong with the installation of JavaComm... > > > > > Are you sure that everything is in place? > > > > > Have you tried with RxTx? > > > > > > Note that either Javacomm or RxTx should be present! > > > > > > On Jan 14, 11:36 am, Daya Shanker <[email protected]> wrote: > > > > > > Hello Thanasis, > > > > > > > Problem coming during service startup. When startService() method of > > > > > Service > > > > > > class is called. IOException is coming and then stopService() method > > > is > > > > > > called. I have analyzed the problem and reached to the line where > > > problem > > > > > is > > > > > > coming.. Actual problem is coming in the following line of code in > > > the > > > > > > CommPortIdentifier.java file, when the > > > > > > setPortId(CommPortIdentifier.getPortIdentifier(getComPort())) method > > > is > > > > > > called from SerialModemDriver.java file in connect() method : > > > > > > Method method = > > > > > > classCommPortIdentifier.getMethod("getPortIdentifier", > > > > > > String.class); > > > > > > port = new CommPortIdentifier(method.invoke(null, > > > portName)); > > > > > > First line getMethod() is executed properly and > > > InvocationTargetException > > > > > is > > > > > > coming in the second line. > > > > > > > I am not understanding why such exception is coming. > > > > > > > Please help me. > > > > > > > Thanks for reply.. > > > > > > > On Thu, Jan 14, 2010 at 1:53 PM, Thanasis <[email protected]> > > > wrote: > > > > > > > Hi, > > > > > > > > I can see that you get the exception upon disconnection. > > > > > > > Is your message sent or not? > > > > > > > > Can you setup the logging and post a log? > > > > > > > > On Jan 14, 10:10 am, Daya Shanker <[email protected]> wrote: > > > > > > > > Hello, > > > > > > > > > Can any body help? I am still waiting 4 some reply about the > > > > > exception > > > > > > > > coming while starting the service. > > > > > > > > > On Wed, Jan 13, 2010 at 4:43 PM, j2ee <[email protected]> > > > wrote: > > > > > > > > > Hello > > > > > > > > > > Please guide me.. When I am running SendMessage.java program > > > > > > > > > following Exception is coming > > > > > > > > > > java.lang.NullPointerException > > > > > > > > > at org.smslib.modem.SerialModemDriver.disconnectPort > > > > > > > > > (SerialModemDriver.java:107) > > > > > > > > > at > > > > > org.smslib.modem.AModemDriver.disconnect(AModemDriver.java: > > > > > > > > > 280) > > > > > > > > > at > > > > > org.smslib.modem.ModemGateway.stopGateway(ModemGateway.java: > > > > > > > > > 197) > > > > > > > > > at org.smslib.Service.stopService(Service.java:338) > > > > > > > > > at org.smslib.Service.startService(Service.java:217) > > > > > > > > > at cdot.omcr.flt.be.SendSmsProcess.startService > > > > > > > > > (SendSmsProcess.java:156) > > > > > > > > > > Actullay I have connected GSM Modem to /dev/ttyS4 and when I > > > > > > > > > am > > > > > > > > > running CommTest.java example, it is detecting only > > > > > > > > > /dev/ttyS0 > > > > > port. > > > > > > > > > Other Serial port are not detected by the CommTest. > > > > > > > > > > Please help me. > > > > > > > > > What to do to run SendMessage.java. > > > > > > > > > > Thanks in advance > > > > > > > > > > -- > > > > > > > > > You received this message because you are subscribed to the > > > Google > > > > > > > Groups > > > > > > > > > "SMSLib for Java User Group" group. > > > > > > > > > To post to this group, send email to [email protected]. > > > > > > > > > To unsubscribe from this group, send email to > > > > > > > > > [email protected]<smslib%[email protected]> > > > <smslib%[email protected]<smslib%252bunsubscr...@googlegroups. > > > com> > > > > > > <smslib%[email protected]<smslib%252bunsubscr...@googlegroups. > > > > > com> > > > <smslib%252bunsubscr...@googlegroups. com> > > > > > > > > <smslib%[email protected]<smslib%252bunsubscr...@googlegroups. > > > > > > > com> > > > <smslib%252bunsubscr...@googlegroups. com> > > > > > <smslib%252bunsubscr...@googlegroups. com> > > > > > > > > > > . > > > > > > > > > For more options, visit this group at > > > > > > > > >http://groups.google.com/group/smslib?hl=en. > > > > > > > > > -- > > > > > > > > Thanks & Regds. > > > > > > > > ***************************** > > > > > > > > Daya Shanker Chaubey > > > > > > > > Research Engineer > > > > > > > > IN Group > > > > > > > > C-DOT Delhi > > > > > > > > -- > > > > > > > You received this message because you are subscribed to the Google > > > > > Groups > > > > > > > "SMSLib for Java User Group" group. > > > > > > > To post to this group, send email to [email protected]. > > > > > > > To unsubscribe from this group, send email to > > > > > > > [email protected]<smslib%[email protected]> > > > <smslib%[email protected]<smslib%252bunsubscr...@googlegroups. > > > com> > > > > > > <smslib%[email protected]<smslib%252bunsubscr...@googlegroups. > > > > > com> > > > <smslib%252bunsubscr...@googlegroups. com> > > > > > > > > . > > > > > > > For more options, visit this group at > > > > > > >http://groups.google.com/group/smslib?hl=en. > > > > > > > -- > > > > > > Thanks & Regds. > > > > > > ***************************** > > > > > > Daya Shanker Chaubey > > > > > > -- > > > > > You received this message because you are subscribed to the Google > > > Groups > > > > > "SMSLib for Java User Group" group. > > > > > To post to this group, send email to [email protected]. > > > > > To unsubscribe from this group, send email to > > > > > [email protected]<smslib%[email protected]> > > > <smslib%[email protected]<smslib%252bunsubscr...@googlegroups. > > > com> > > > > > > . > > > > > For more options, visit this group at > > > > >http://groups.google.com/group/smslib?hl=en. > > > > > -- > > > > Thanks & Regds. > > > > ***************************** > > > > Daya Shanker Chaubey > > > > Research Engineer > > > > IN Group > > > > C-DOT Delhi > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "SMSLib for Java User Group" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<smslib%[email protected]> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/smslib?hl=en. > > > -- > > Thanks & Regds. > > ***************************** > > Daya Shanker Chaubey > > Research Engineer > > IN Group > > C-DOT Delhi
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