Jdbc conn from VirtualBox OracleRedHat6 guest to Oracle11G on WindowsXP.

Hi.
I have developed simple java application which includes connect to Orace database.
This jar works fine under WindowsXP where Oracle11G database is located.
Then I relocated this jar to VirtualBox Oracle RedHat Linux 6.
After run
java -jar archive.jar
I got next errors
java.sql.SQLException: Socket read timed out
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:412)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
at java.sql.DriverManager.getConnection(DriverManager.java:620)
at java.sql.DriverManager.getConnection(DriverManager.java:222)
at client.handingXML.GetCommand(handingXML.java:153)
at client.handingXML.main(handingXML.java:257)
Caused by: oracle.net.ns.NetException: Socket read timed out
at oracle.net.ns.Packet.receive(Packet.java:320)
at oracle.net.ns.NSProtocol.connect(NSProtocol.java:286)
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)
... 8 more
java.lang.NullPointerException
at client.handingXML.GetCommand(handingXML.java:182)
at client.handingXML.main(handingXML.java:257)
Exception in thread "main" java.lang.NullPointerException
at java.io.Writer.write(Writer.java:157)
at client.handingXML.GetCommand(handingXML.java:243)
at client.handingXML.main(handingXML.java:257)
java.sql.SQLException: Socket read timed out
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:412)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:531)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:221)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:503)
at java.sql.DriverManager.getConnection(DriverManager.java:620)
at java.sql.DriverManager.getConnection(DriverManager.java:222)
at client.handingXML.GetCommand(handingXML.java:153)
at client.SimpleTimerTask.run(SimpleTimerTask.java:21)
at java.util.TimerThread.mainLoop(Timer.java:534)
at java.util.TimerThread.run(Timer.java:484)
Caused by: oracle.net.ns.NetException: Socket read timed out
at oracle.net.ns.Packet.receive(Packet.java:320)
at oracle.net.ns.NSProtocol.connect(NSProtocol.java:286)
at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1042)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:301)
... 10 more
java.lang.NullPointerException
at client.handingXML.GetCommand(handingXML.java:182)
at client.SimpleTimerTask.run(SimpleTimerTask.java:21)
at java.util.TimerThread.mainLoop(Timer.java:534)
at java.util.TimerThread.run(Timer.java:484)
Exception in thread "Timer-0" java.lang.NullPointerException
at java.io.Writer.write(Writer.java:157)
at client.handingXML.GetCommand(handingXML.java:243)
at client.SimpleTimerTask.run(SimpleTimerTask.java:21)
at java.util.TimerThread.mainLoop(Timer.java:534)
at java.util.TimerThread.run(Timer.java:484)
Ping from host to guest and opposite is gone
Could anybody explain this errors.
Thanks in advance.
Andrii.

Error is not there in the code what you are showing. Can you edit index$jsp.java and see what is there in line 231?
You may find it in tomcat_home\work\your_application directory.
Sudha

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Integrating jar <--(1)/(37133)/(157)/C:\Programme\bea\modules\com.bea.core.datasource_1.0.1.0.jar
Integrating jar -->(1)/(37133)/C:\Programme\bea\modules\com.bea.core.descriptor_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/descriptor/SettableBean.class also in C:\Programme\bea\modules\com.bea.core.datasource_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/descriptor/beangen/LegalChecks.class also in C:\Programme\bea\modules\com.bea.core.beangen_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/descriptor/beangen/StringHelper.class also in C:\Programme\bea\modules\com.bea.core.beangen_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/descriptor/beangen/XMLHelper.class also in C:\Programme\bea\modules\com.bea.core.beangen_1.0.1.0.jar
Integrating jar <--(1)/(37226)/(93)/C:\Programme\bea\modules\com.bea.core.descriptor_1.0.1.0.jar
Integrating jar -->(1)/(37226)/C:\Programme\bea\modules\com.bea.core.diagnostics.core_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/diagnostics/type/UnexpectedExceptionHandler.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry weblogic/i18n/i18n.properties also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(37264)/(38)/C:\Programme\bea\modules\com.bea.core.diagnostics.core_1.0.1.0.jar
Integrating jar -->(1)/(37264)/C:\Programme\bea\modules\com.bea.core.i18n_1.0.1.0.jar
Integrating jar <--(1)/(37289)/(25)/C:\Programme\bea\modules\com.bea.core.i18n_1.0.1.0.jar
Integrating jar -->(1)/(37289)/C:\Programme\bea\modules\com.bea.core.i18n.generator_1.0.1.0.jar
Integrating jar <--(1)/(37335)/(46)/C:\Programme\bea\modules\com.bea.core.i18n.generator_1.0.1.0.jar
Integrating jar -->(1)/(37335)/C:\Programme\bea\modules\com.bea.core.management.core_1.0.1.0.jar
Integrating jar <--(1)/(37343)/(8)/C:\Programme\bea\modules\com.bea.core.management.core_1.0.1.0.jar
Integrating jar -->(1)/(37343)/C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Integrating jar <--(1)/(37389)/(46)/C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Integrating jar -->(1)/(37389)/C:\Programme\bea\modules\com.bea.core.mbean.support_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/AbstractCommoConfigurationBean$Helper.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/AbstractCommoConfigurationBean.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/AbstractCommoConfigurationBeanBinder.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/AbstractCommoConfigurationBeanImplBeanInfo.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/BaseModelMBean.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
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Ignoring Duplicate Entry weblogic/management/commo/Commo.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoMBean.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoMBeanInstance.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoModelMBeanAttributeInfo.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoModelMBeanConstructorInfo.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoModelMBeanInfoSupport.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoModelMBeanNotificationInfo.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoModelMBeanOperationInfo.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CommoOperationsException.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/DescriptorSupport$1.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/DescriptorSupport$Pair.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/DescriptorSupport$VoidValue.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/DescriptorSupport.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/DescriptorSupportBase.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/RequiredModelMBeanWrapper.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/SecurityMBeanData.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/StandardInterface.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/TypedMBeanData.class also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/ant/taskdefs/management/commo/antlib.xml also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/CustomMBeanImpl.j also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/DiabloCustomMBeanIntf.j also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/commo/commo.dtd also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/management/internal/mbean/SecurityReadOnlyMBean.template also in C:\Programme\bea\modules\com.bea.core.mbean.maker_1.0.1.0.jar
Integrating jar <--(1)/(37389)/(0)/C:\Programme\bea\modules\com.bea.core.mbean.support_1.0.1.0.jar
Integrating jar -->(1)/(37389)/C:\Programme\bea\modules\com.bea.core.messaging.kernel_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/i18n/i18n.properties also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(37548)/(159)/C:\Programme\bea\modules\com.bea.core.messaging.kernel_1.0.1.0.jar
Integrating jar -->(1)/(37548)/C:\Programme\bea\modules\com.bea.core.resourcepool_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/i18n/i18n.properties also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(37583)/(35)/C:\Programme\bea\modules\com.bea.core.resourcepool_1.0.1.0.jar
Integrating jar -->(1)/(37583)/C:\Programme\bea\modules\com.bea.core.weblogic.rmi.client_1.0.1.0.jar
Ignoring Duplicate Entry weblogic/rmi/extensions/server/_HeartbeatHelper_Stub.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(37612)/(29)/C:\Programme\bea\modules\com.bea.core.weblogic.rmi.client_1.0.1.0.jar
Integrating jar -->(1)/(37612)/C:\Programme\bea\modules\com.bea.core.weblogic.security.wls_2.0.1.0.jar
Integrating jar <--(1)/(38016)/(404)/C:\Programme\bea\modules\com.bea.core.weblogic.security.wls_2.0.1.0.jar
Integrating jar -->(1)/(38016)/C:\Programme\bea\modules\com.bea.core.weblogic.saaj_1.0.1.0.jar
Integrating jar <--(1)/(38217)/(201)/C:\Programme\bea\modules\com.bea.core.weblogic.saaj_1.0.1.0.jar
Integrating jar -->(1)/(38217)/C:\Programme\bea\modules\com.bea.core.weblogic.stax_1.0.1.0.jar
Integrating jar <--(1)/(38543)/(326)/C:\Programme\bea\modules\com.bea.core.weblogic.stax_1.0.1.0.jar
Integrating jar -->(1)/(38543)/C:\Programme\bea\modules\com.bea.core.store_1.0.1.0.jar
Skipping native/aix/ppc64/libwlfileio2.so
Skipping native/aix/ppc/libwlfileio2.so
Skipping native/hpux11/IPF32/libwlfileio2.so
Skipping native/hpux11/IPF64/libwlfileio2.so
Skipping native/hpux11/PA_RISC64/libwlfileio2.sl
Skipping native/hpux11/PA_RISC/libwlfileio2.sl
Skipping native/linux/i686/libwlfileio2.so
Skipping native/linux/ia64/libwlfileio2.so
Skipping native/linux/x86_64/libwlfileio2.so
Skipping native/solaris/sparc64/libwlfileio2.so
Skipping native/solaris/sparc/libwlfileio2.so
Skipping native/solaris/x64/libwlfileio2.so
Skipping native/solaris/x86/libwlfileio2.so
Skipping native/win/32/wlfileio2.dll
Skipping native/win/64/wlfileio2.dll
Skipping native/win/x64/wlfileio2.dll
Ignoring Duplicate Entry weblogic/i18n/i18n.properties also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(38695)/(152)/C:\Programme\bea\modules\com.bea.core.store_1.0.1.0.jar
Integrating jar -->(1)/(38695)/C:\Programme\bea\modules\com.bea.core.store.gxa_1.0.1.0.jar
Integrating jar <--(1)/(38728)/(33)/C:\Programme\bea\modules\com.bea.core.store.gxa_1.0.1.0.jar
Integrating jar -->(1)/(38728)/C:\Programme\bea\modules\com.bea.core.transaction_2.0.1.0.jar
Ignoring Duplicate Entry weblogic/i18n/i18n.properties also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(38943)/(215)/C:\Programme\bea\modules\com.bea.core.transaction_2.0.1.0.jar
Integrating jar -->(1)/(38943)/C:\Programme\bea\modules\com.bea.core.utils.full_1.0.1.0.jar
Skipping native/aix/ppc64/libterminalio.so
Skipping native/aix/ppc/libterminalio.so
Skipping native/hpux11/IPF32/libterminalio.so
Skipping native/hpux11/IPF64/libterminalio.so
Skipping native/hpux11/PA_RISC64/libterminalio.sl
Skipping native/hpux11/PA_RISC/libterminalio.sl
Skipping native/linux/i686/libterminalio.so
Skipping native/linux/ia64/libterminalio.so
Skipping native/linux/s3990/libterminalio.so
Skipping native/linux/x86_64/libterminalio.so
Skipping native/macosx/pps/libterminalio.jnilib
Skipping native/solaris/sparc64/libterminalio.so
Skipping native/solaris/sparc/libterminalio.so
Skipping native/solaris/x64/libterminalio.so
Skipping native/solaris/x86/libterminalio.so
Skipping native/win/32/terminalio.dll
Skipping native/win/64/terminalio.dll
Skipping native/win/x64/terminalio.dll
Ignoring Duplicate Entry weblogic/utils/StackTraceUtilsClient.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(39367)/(424)/C:\Programme\bea\modules\com.bea.core.utils.full_1.0.1.0.jar
Integrating jar -->(1)/(39367)/C:\Programme\bea\modules\com.bea.core.utils.classloaders_1.0.1.0.jar
Integrating jar <--(1)/(39415)/(48)/C:\Programme\bea\modules\com.bea.core.utils.classloaders_1.0.1.0.jar
Integrating jar -->(1)/(39415)/C:\Programme\bea\modules\com.bea.core.utils.expressions_1.0.1.0.jar
Integrating jar <--(1)/(39429)/(14)/C:\Programme\bea\modules\com.bea.core.utils.expressions_1.0.1.0.jar
Integrating jar -->(1)/(39429)/C:\Programme\bea\modules\com.bea.core.utils.wrapper_1.0.1.0.jar
Integrating jar <--(1)/(39550)/(121)/C:\Programme\bea\modules\com.bea.core.utils.wrapper_1.0.1.0.jar
Integrating jar -->(1)/(39550)/C:\Programme\bea\modules\com.bea.core.timers_1.0.1.0.jar
Ignoring Duplicate Entry commonj/timers/CancelTimerListener.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/timers/StopTimerListener.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/timers/Timer.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/timers/TimerListener.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/timers/TimerManager.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Integrating jar <--(1)/(39581)/(31)/C:\Programme\bea\modules\com.bea.core.timers_1.0.1.0.jar
Integrating jar -->(1)/(39581)/C:\Programme\bea\modules\com.bea.core.weblogic.workmanager_1.0.1.0.jar
Ignoring Duplicate Entry commonj/work/RemoteWorkItem.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/work/Work.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/work/WorkCompletedException.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/work/WorkEvent.class also in C:\Programme\bea\weblogic10.0\server\lib\weblogic.jar
Ignoring Duplicate Entry commonj/work/WorkExcep

Dirk Ludwig wrote:
Joe Weinstein wrote:[...]
Hi. You should open an official support case,
but it may be that we do not support
external client JDBC with the client jar.Actually, I misspoke. I think we do supply a client
jar, and that may be true
what I said, but I see you're making your own. Can
you find out what jar you're
loading the InstrumentationSupport class from? That's
the original location of
the error, and that class doesn't exist in 10.0.Hi Joe, thanks for your reply.
First of all, let me clarify what we did and why we did it: We have a stand-alone client application that needs to communicate with a Weblogic server using the t3 protocol (we don't want IIOP or HTTP tunneling). According to the official BEA documentation (see http://e-docs.bea.com/wls/docs100/client/basics.html and http://e-docs.bea.com/wls/docs100/client/t3.html) we needed to create the wlfullclient.jar file. We did this using the Weblogic JAR Builder Tool (see http://e-docs.bea.com/wls/docs100/client/jarbuilder.html). Unfortunatley we discovered the problem mentioned in my original post when we tried to run the client with that wlfullclient.jar.
Regarding your classloading question: The InstrumentationSupportImpl class is located in the wlfullclient.jar, so it does exist in WLS 10.0 (it is also contained in the weblogic.jar). Unfortunately this JAR does not contain the required class "weblogic.diagnostics.instrumentation.InstrumentationDebug". I searched for this class and found it in the OSGI module "com.bea.core.diagnostics.instrumentor_1.0.1.0.jar" shipped with the Weblogic server. Obviously the JAR Builder Tool did not include the contents of this OSGI bundle into the wlfullclient.jar. I tried to include this OSGI bundle into the classpath of the client app manually (just for testing purposes), but this onyl resultet in another NoClassDefFoundError. This time the class "com.bea.objectweb.asm.Constants" could not be found.
What astonishes me is the fact that the connection retrieval works fine when we only have the weblogic.jar in the client applications classpath, but fails when we have the wlfullclient.jar in the classpaht. It seems that the t3 communication is handled completely different, depending on what JARs I have in the classpath. Also, JMS communication works fine in both cases (i.e. for the weblogic.jar and the wlfullclient.jar). The only thing that causes problems (at least as far as we have discovered) is getting a JDBC connection from a datasource. I simply fail to see why this is the case.
Best regards,
DirkInteresting. I hope the official support case solves your problem.
I would like to dig further, but it's too far afield for me with
the workload I have at the moment.
Joe

Cannot ping for either from host to guest nor from guest to host

Hi I have installed virtual box 4.1.20 r80170
my host os is centos 6.3 64 bit
my guest os is oracle linux 5.8 64 bit
I've using bridge adapter for the network settings, but I'm neither able to ping
from host to guest
from guest to host
may I know what's wrong?
how should I trouble shoot this?
my host os network configurations is as follow:
[oracle@localhost ~]$ /sbin/ifconfig
eth0 Link encap:Ethernet HWaddr E8:E0:B7:D2:F9:54
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:20 Memory:c4800000-c4820000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:3488 errors:0 dropped:0 overruns:0 frame:0
TX packets:3488 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:320590 (313.0 KiB) TX bytes:320590 (313.0 KiB)
wlan0 Link encap:Ethernet HWaddr 9C:B7:0D:96:F4:DF
inet addr:192.168.0.199 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::9eb7:dff:fe96:f4df/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:22932 errors:0 dropped:0 overruns:0 frame:0
TX packets:22068 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:15525818 (14.8 MiB) TX bytes:5127595 (4.8 MiB)
I'm using wlan0 on the host os
my eth0 configurations on the guest os is as follow:
#Intel Corporation 82540EM Gigabit Ethernet Controller
DEVICE=etho0
BOOTPROTO=static
HWADDR:08:00:27:08:19:50
ONBOOT:yes
DHCPHOSTNAME=source.localdomain
IPADDR=192.168.0.11
NETMASK-192.168.0.1
TYPE=Ethernet
USERCTRL=no
IPV6INIT=no
PEERDNS=yes
I've a router to connect to the Internet. It is dlink DIR-615
I've done a dmesg while pinging from guest to host here's the partial output:
spurious NAK ON isa0060/serio0
some program might be trying to acces hardware directly
e100:eth0 NIC link is up 1000 Mbp
Full Duplex, Flow Control: RX
ADDRCONF (NETDEV_UP) eth0: link is not ready
ADDRCONF (NETDEV_CHANGE): eth0 becomes ready
eth0: no IPv6 routes present
Any assistance is deeply appreciated!
thanks a lot!
Edited by: oraclewannabe2 on Aug 25, 2012 11:28 AM
Edited by: oraclewannabe2 on Aug 25, 2012 12:10 PM

Hi ,
This is OL 6.
Now,after doing guestadditions this is working fine altough I am not sure what exactly guest addition is.
Additionally,I installed firefox in same VM but when I click on firefox then nothing comes up.
Best regards,
Vishal

Virtual Machine( VM WARE) using Windows Server 2008 R2- how to install a software from host to guest.

Dear All,
Can you Please tell how to install a software SQL Server 2012 from the Host to my Guest OS Windows Server 2008R2 in my Virtual Machine? I am using VMPlayer and have already created a VM using the Windows Server 2008R2.
I just need help in installing another software (SQLServer2012) from my laptop(guest computer) to my host VM. I also have the files downloaded into my C drive of my laptop(hostcomputer) for the SQL Server 2012. But I am lost as to where to click to install
this software to my VM.
I know I put into Windows Server 2012 forum but I thin the procedure should be similar.
Thank-you

there are few options,
you can copy the files from your host to virtual machine
you can create a iso file and mount it to vm
you can share the source files and access as a share
Darshana Jayathilake

[SOLVED] New arch install from Virtualbox cannot boot on real hardware

Hi,
I'm trying my luck with installing Arch on physical disk through Virtualbox. I followed Wiki and managed to install system on the disk. However, I am unable to boot it outside VM.
I have two physical disks - /dev/sda and /dev/sdb. I have installed Arch on /dev/sda1. It is there, I can see the files from my current OS and it does work in VM. /dev/sda1 is bootable.
However, when I boot my PC from /dev/sda rootfs fails to load kernel image - it says it can't be found. I tried specifing init path in Syslinux.cfg using /dev/sdxX and UUID and even PARTUUID but none worked. When in rootfs, I lsed /dev/disk/by-uuid and found that rootfs sees only one of my two disks, /dev/sdb. I find it really strange.
I followed below advise found on forums:
- Verify that mkinitcpio.conf lists "block" hook
- Create a new kernel image with mkinitcpio -p linux
- Refer to your partition by UUID
- If above doesn't work, try PARTUUID
None of these worked. I believe the reason for this is that the issue is not with how I reference the disk nor how the mkinitcpio works but with the disk not being available for rootfs at all. Alas, I have no experience with disks other than simple partitioning, so I'm not sure where to start.
Fdisk output:
Disk /dev/sda: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x99ea4d63
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 314779647 314777600 150,1G 83 Linux
/dev/sda2 314779648 1153640447 838860800 400G 83 Linux
/dev/sda3 1153640448 1157834751 4194304 2G 82 Linux swap / Solaris
Disk /dev/sdb: 465,8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0x75a6998e
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 616447 614400 300M 83 Linux
/dev/sdb2 616448 210331647 209715200 100G 83 Linux
/dev/sdb3 210331648 241788927 31457280 15G 83 Linux
Any ideas? Suggestions and help will be appreciated!
Last edited by karm (2014-12-08 03:56:35)

Sleep is for the weak.
So I've read that article and found what the issue was.
Turns out I automatically followed previous advise without giving it some thought and run mkinitcpio from Virtualbox. Which does not make sense because the whole point of this is to prepare kernel image to run on other hardware than provided by VM. So what I did to fix this:
1. Installed arch-chroot on VM
2. Mounted /dev/sda1 on my host machine and chrooted into it using arch-chroot
3. Run mkinitpcio -p linux
4. Reinstalled boot loader just in case with syslinux-install_update -iam /dev/sda1
5. Adjusted /boot/syslinux/syslinux.cfg to work with new configuration:
5.1 set root=UUID=..... to be certain it picks the right partition
5.2 add proper systemd init path APPEND=/usr/lib/systemd/systemd
And it does work - I'm posting from my new shiny system. Thanks a lot ackt1c!

Not able to Call JDBC control from MDB

I need to call a method in the JDBC control from the Message Driven Bean(MDB). When I try to do so, Weblogic throws an error. I tried to call a Custom Control from MDB and the Custom Control called a method in the JDBC control but that does not work too. Can someone help me solve this?
Can't we call the JDBC control from MDB? There should be some way around this.
This is the error I get :
org.apache.beehive.controls.api.ControlException: Control initialization failure[org.apache.beehive.controls.api.ControlException: Contextual service org.apache.beehive.controls.api.context.ResourceContext is not available]
     at org.apache.beehive.controls.runtime.bean.ControlBean.ensureControl(ControlBean.java:326)
     at com.boehringer.supplier.control.db.ForecastJDBCControlBean.updateSpendWithCMId(ForecastJDBCControlBean.java:2879)
     at com.boehringer.supplier.control.java.SupplierControlImpl.processCustomer(SupplierControlImpl.java:1290)
     at com.boehringer.supplier.control.java.SupplierControlImpl.processSonicInboundMessage(SupplierControlImpl.java:1096)
     at com.boehringer.supplier.control.java.SupplierControlBean.processSonicInboundMessage(SupplierControlBean.java:663)
     at com.boehringer.sonic.SonicVendorInboundMDB.onMessage(SonicVendorInboundMDB.java:45)
     at weblogic.ejb.container.internal.MDListener.execute(MDListener.java:466)
     at weblogic.ejb.container.internal.MDListener.transactionalOnMessage(MDListener.java:371)
     at weblogic.ejb.container.internal.ContinuousJMSMessagePoller.processOneMessage(ContinuousJMSMessagePoller.java:138)
     at weblogic.ejb.container.internal.JMSMessagePoller.pollContinuously(JMSMessagePoller.java:404)
     at weblogic.ejb.container.internal.ContinuousJMSMessagePoller.pollForParent(ContinuousJMSMessagePoller.java:213)
     at weblogic.ejb.container.internal.JMSMessagePoller.run(JMSMessagePoller.java:543)
     at java.lang.Thread.run(Thread.java:595)
Caused by: org.apache.beehive.controls.api.ControlException: Contextual service org.apache.beehive.controls.api.context.ResourceContext is not available
     at org.apache.beehive.controls.system.jdbc.JdbcControlImplInitializer.initServices(JdbcControlImplInitializer.java:50)
     at org.apache.beehive.controls.runtime.bean.ImplInitializer.initialize(ImplInitializer.java:34)
     at org.apache.beehive.controls.runtime.bean.ControlBean.ensureControl(ControlBean.java:321)
     ... 12 more

Hi,
I am getting the same error. Did you got any solution for this?
Please help.
Any kind of help is appreciated.
Thanks,
Dpak

Secured JDBC call from PI

Hi,
Please let me know the possibilities of secured JDBC call from PI. In JDBC adapter configuration, is it possible to achieve secured connection to Database server?
I saw few similar threads in Forums but did not get much information.
Thanks,
Geetha

?Please let me know the possibilities of secured JDBC call from PI. In JDBC adapter configuration, is it possible to achieve secured connection to Database server?
Yes, it is absolutely possible to secure the jdbc connection to database server. You might have to do few things...
Please follow this link
http://wiki.sdn.sap.com/wiki/display/XI/EncryptioninscenariosinvolvingJDBCAdapterwithOracleDatabase
You can encrypt all the connection parameters including user name and password between jdbc adapter and database server. Use advance tab and do the recommended changes given in the above link.Similarly on the database server you have to do the same. You might have to take help from dba to set the similar settings on the database level too.

Retrieving JDBC Destinations from CE Server

Hi,
I am developing a Java Application ( Web Module) on NW CE 7.2 App Server via NWDS. This Application also uses a custom Oracle Database.
I have added a Destination of type JDBC in the CE server for the custom Oracle Database to CE using NWA.
under ConfigurationManagement->Destinations
Now the API com.sap.security.core.server.destinations.api I was not able to find a class for JDBCDestination. Below were the classes:
Destination      A destination represents all the information required at the client side to make a connection to a backend system.
DestinationService      The J2EE destination service is used for obtaining connections to backend systems.
HTTPDestination      An HTTP destination is a special type of destination that addresses an HTTP endpoint at a target system.
RFCDestination      Externally visible RFC Destination interface.
AT the following javadocs link:
http://help.sap.com/javadocs/nwce/current/se/com.sap.se/com/sap/security/core/server/destinations/api/package-summary.html
Now my question is how do you retrieve JDBC destinations from CE? And what is the class for it?
Below is a sample to get HTTP destination:
import com.sap.security.core.server.destinations.api.DestinationException;
import com.sap.security.core.server.destinations.api.DestinationService;
import com.sap.security.core.server.destinations.api.HTTPDestination;
    DestinationService dstService = (DestinationService)
    ctx.lookup(DestinationService.JNDI_KEY);
    if (dstService == null)
        throw new NamingException("Destination Service not available");
    Destination destination = dstService.getDestination("HTTP","dst-1");
    //for HTTP destination: cast
    HTTPDestination httpDestination = (HTTPDestination) destination;
    //obtain a HTTPUrlConnection from the destinationHttpURLConnection
    httpConnection = httpDestination.getURLConnection();
How do I do the same for JDBC connection type? Any idea on this would be great
Thanks,
Dhananjay

Thanks for the help.
I was suspecting there was a problem with the driver. Microsoft's Driver worked perfectly for SQL 2000, but my target database is SQL 7 and the driver is not reverse compatible.
I am looking for a Free liscenced JDBC driver that will work with SQL 7 (other than the sun.jdbc.odbc.JdbcOdbcDriver)
Nothing fancy needs to be supported, just scrollable result sets, and basic insert, update, select, exec commands.

Native JDBC connection from BO Explorer to HANA

Hello.
Could you please give me the step-by-step instructions to set up the native HANA JDBC connection from BO Explorer?
I followed the steps in P.12-13 of 'SAP BusinessObjects Explorer Administrator's Guide for BO BI 4.0 SP02', but I could not see the "SAP High-Performance Analytic Appliance (SAP HANA) 1.0" in 'Manage Spaces' in BO Explorer.
I did as follows:
1. Log on to the BusinessObjects Enterprise CMC as Administrator.
2. Click "Servers".
3. Expand "Service Categories", right-click on "Explorer Services", then select 'Stop Server'.
4. Return to CMC's home screen, and click "Applications".
5. Right-click "Explorer", and select "Properties".
6. Within "Advanced Configuration", set the following parameters, and save them.
newdb.system.alias = NEWDBHANA
newdb.url = jdbc:sap://HANA_ADDRESS:30015
newdb.authentication.mode = ConfiguredIdentity
newdb.user = system
newdb.password = manager
newdb.connections.enabled = true
7. Return to CMC's home screen, and click "Users and Groups".
8. Click "User List", right-click on "Administrator", and select "Properties".
9. Check "Enable Database Credentials", and enter Windows' administrator and its password, and save them.
10. Return to CMC's home screen, and click "Servers".
11. Expand "Service Categories", right-click on "Explorer Services", then select 'Start Server'.
12. Log on to the BO Explorer as Administrator.
13. Click "Manage Spaces".
14. "SAP High-Performance Analytic Appliance (SAP HANA) 1.0" is not shown in "Sources".
Thank you very much,
-mamoru

Hello,
Never give up, never surrender!
Quote from Galaxy Quest
Here is our maxdb.sbo file before the adjustment:
          <DataBase Active="Yes" Name="SAP High-Performance Analytic Appliance (SAP HANA) 1.0">
      <JDBCDriver>
             
        <Parameter Name="JDBC Class">com.sap.db.jdbc.Driver</Parameter>
        <Parameter Name="URL Format">jdbc:sap://$DATASOURCE$</Parameter>
      </JDBCDriver>
      <Parameter Name="Extensions">newdb,jdbc</Parameter>
      <Parameter Name="SQL Parameter File">newdb</Parameter>
      <Parameter Name="Description File">jdbc2</Parameter>
      <Parameter Name="Force Execute">Always</Parameter>
      <Parameter Name="Catalog Separator">.</Parameter>
      <Parameter Name="Array Fetch Size">10</Parameter>
    </DataBase>
And here is same file after adjustment:
          <DataBase Active="Yes" Name="SAP High-Performance Analytic Appliance (SAP HANA) 1.0">
      <JDBCDriver>
        <ClassPath>
          <Path>/usr/sap/hdbclient/ngdbc.jar</Path>
        </ClassPath>
        <Parameter Name="JDBC Class">com.sap.db.jdbc.Driver</Parameter>
        <Parameter Name="URL Format">jdbc:sap://$DATASOURCE$</Parameter>
      </JDBCDriver>
      <Parameter Name="Extensions">newdb,jdbc</Parameter>
      <Parameter Name="SQL Parameter File">newdb</Parameter>
      <Parameter Name="Description File">jdbc2</Parameter>
      <Parameter Name="Force Execute">Always</Parameter>
      <Parameter Name="Catalog Separator">.</Parameter>
      <Parameter Name="Array Fetch Size">10</Parameter>
    </DataBase>
Tomas

Can't load jdbc driver from localhost

I'm having problems loading the jdbc driver from localhost when using a java com object in ASP.
The simple class compiles fine and runs perfect from dos command line but gives this exception when run from personal webserver:
java.lang.ClassNotFoundException: sun/jdbc/odbc/JdbcOdbcDriver
Obviously, it is not finding the jdbc driver, but what is the problem? It finds the driver when run from dos locally. Do I need a 3rd party driver when using as a COM object?
Here is a code snippet:
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection TestConnection = DriverManager.getConnection("jdbc:odbc:systemDSN", "username", "password");
Any help is appreciated, thanks!

I don't think it's exactly a classpath problem. I think when you run from the DOS command line, you are using the java.exe program that contains Sun's JVM and all the associated classes including sun/jdbc/odbc/JdbcOdbcDriver. But when you use this Java COM object (which I am not familiar with), if it doesn't find that class then it must be using the Microsoft VM, which naturally doesn't include that class you are having a problem with.

Manipulating JDBC Datasources from a java application or servlet

How can i manipulate - add, delete, update - JDBC Datasources from a java applcation or servlet?

Maybe we can help, if you explain a little more.
What do you mean with:
How can i manipulate - add, delete, update - JDBC
Datasources from a java applcation or servlet?Do you want to
* create databases
* change a database's properties
* create or change tables
* create or change the rows in tables
Each of these would be - more or less - possible, but on its own way.
Or do you maybe want to configure ODBC Datasources (DSNs) for use with the JDBC-ODBC-Bridge?
Thats all I can guess from what you told us. Tell more!

What is the impact of upgrading jdbc drivers from 9.2 version to 10g driver

Hi,
My application is built on Oracle 9.2 with 9.2 version jdbc drivers.
To use Java objects mapping with Oracle object TYPES (for ex. STRUCT),
I had to go for 10g jdbc drivers. Otherwise, I am getting an error:
java.sql.SQLException: Non supported character set: oracle-character-set-178
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:210)
at oracle.jdbc.dbaccess.DBError.check_error(DBError.java:829)
at oracle.sql.CharacterSetUnknown.failCharsetUnknown(CharacterSetFactory
Thin.java:150)
at oracle.sql.CharacterSetUnknown.convert(CharacterSetFactoryThin.java:1
14)
at oracle.sql.CHAR.<init>(CHAR.java:109)
at oracle.sql.CHAR.<init>(CHAR.java:133)
at oracle.jdbc.oracore.OracleTypeCHAR.toDatum(OracleTypeCHAR.java:143)
at oracle.sql.StructDescriptor.toOracleArray(StructDescriptor.java:385)
at oracle.sql.StructDescriptor.toArray(StructDescriptor.java:560)
at oracle.sql.STRUCT.<init>(STRUCT.java:95)
at oracle.sql.OracleSQLOutput.getSTRUCT(OracleSQLOutput.java:95)
at oracle.sql.STRUCT.toSTRUCT(STRUCT.java:328)
at oracle.jdbc.driver.OraclePreparedStatement.setObject(OraclePreparedSt
atement.java:2025)
at oracle.jdbc.driver.OraclePreparedStatement.setObject(OraclePreparedSt
atement.java:2148)
I would like to hear from you that, what is the impact on the existing application if I upgrade
jdbc drivers from 9.2 version to 10g version?
Please do mention all the impact.
Vyshu

JDBC 10g works just fine against 9.2 database. See the interopeability matrix on the JDBC portal http://www.oracle.com/technology/tech/java/sqlj_jdbc/index.html
Kuassi - blog http://db360.blogspot.com/

Equivalent to VirtualBox Host-Guest Communication Manager in Hyper-V?

Hello,
Chapter 7 of the VirtualBox
SDK Programming Guide (pdf) explains that the "VirtualBox Host-Guest Communication Manager (HGCM) allows a guest application or a guest driver to call a host shared library."
Is there anything like this in Hyper-V?
The document also goes into a bit more details on the implementation, stating "HGCM uses the VMM virtual PCI device to exchange data between the guest and the host."
Is it possible to implement a 3rd-party virtual device in Hyper-V?
Thanks for your time!

Any form of network communication can be used between the virtual machine and its host in the same manner that two physical computers can communicate with one another. As Samir stated, this is a security boundary that was purposefully established.
There is a capability to pass key-value pairs between the host and guest.
https://technet.microsoft.com/en-us/library/dn798287.aspx?f=255&MSPPError=-2147217396
. : | : . : | : . tim

Any issue for JDBC Conn when moving from Names Server to OID

Hi,
One of out customer migrating from Oracle Names Server to OID and they would like to know the effects (if any) this will have on their applications that connect to the databases using jdbc connections.
Concern is "will their jdbc connections to the databases be affected once the Names Server is replaced" ?
Please share your thoughts
Regards
Manoj Kumar

Hi Hal
Everything is working fine on
the new server, except for one PC, a Dell XPS 210.
When I enter the username and password to logon, the
computer appends my username with the name of the
computer, ex. Hal becomes HalsPC/Hal as the
username. Because of this I can't access the server
files. Now this computer connected fine to the server
on the old Mac, and if I unplug the Ethernet from the
new server and connect to the old server it still
works fine. Can anyone offer a reason why the Dell
would react this way, I don't have this problem with
any of the other PC's in the office.
Firstly have you made sure you have started Windows Services on your Server? Secondly on your PC (is it XP?) use Windows Explorer to browse for your Server, select Search, select Computers or People and in the field, key in the IP address of your Server. Windows Explorer should show you an icon view of the OSX server in the right hand window. Double click on this and key in a valid user and password as created on the Server. If you enable guest access for Windows Users they wont require authentication and should be able to access share points with no problem.
Hope this helps

Jdbc conn from VirtualBox OracleRedHat6 guest to Oracle11G on WindowsXP.

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