Strange behavior with entity beans and servlets in a cluster

We have 2 WebLogic 4.5.1 servers in a cluster with none of the Service
          Packs installed. When a client uses the deployed entity beans or
          servlets they work every other time. The times they do not work nothing
          happens. No exceptions, no responses to the client ( i.e. HTTP 404s ),
          nothing. I suspect something in the cluster setup since we do not have
          these same problems on non-clustered entity beans or servlets. We have
          made sure all the entity beans have the Shared Database flag set on and
          added the delayUpdatesUntilEndOfTx false to the enviroment of the DD.
          That didn't fix the problem. Any ideas?
          Thanks in advance,
          Dallas Dempsey
          DEM - Houston, TX

Do you have log files?
          - Prasad
          Chris Dempsey wrote:
          > We have 2 WebLogic 4.5.1 servers in a cluster with none of the Service
          > Packs installed. When a client uses the deployed entity beans or
          > servlets they work every other time. The times they do not work nothing
          > happens. No exceptions, no responses to the client ( i.e. HTTP 404s ),
          > nothing. I suspect something in the cluster setup since we do not have
          > these same problems on non-clustered entity beans or servlets. We have
          > made sure all the entity beans have the Shared Database flag set on and
          > added the delayUpdatesUntilEndOfTx false to the enviroment of the DD.
          > That didn't fix the problem. Any ideas?
          >
          > Thanks in advance,
          > Dallas Dempsey
          > DEM - Houston, TX

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Strange behavior in entity bean : get Timestamp

Hello:
I'm working with SUNONE 7 AppServer , over SunOS 5.9
I've a strange behavior with entity's get methods which return Timestamp value.
For example, I've got
Timestamp date;
If I do
entity.setF(date) , ( date is a Timestamp with value "12/12/2005 12:30:00" )
all works right, and in database is wrote right ( "12/12/2005 12:30:00" )
But , if I do
date = entity.getF()
the, date variable has the value "12/12/2005 00:00:00"
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Could be a code bug in my source , but if I use Jboss AS over Windows XP , all work right ( set and get methods ). The database is the same one ( Oracle 9i )

Well, I found the solution.
The problem was the ojdbc14.jar driver, which made wrong schema files.
Exactly, with the bad ojdbc14.jar, generated this entry
<_type>91</_type>
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Strange behavior with Cisco AP and Intel 3945 wireles card

Hi,
I have an interesting problem with an Intel 3945 A/G card, and my cisco APs.
1. Given:
Cisco 1100 and 1200 AP running IOS 12.3.8-JEA
Two laptop, one with Intel 2200 MPCI Card, the other with Intel 3945 MPCI Card
Microsoft AD with IAS radius server
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c. 2 SSID, 1 with simple EAP-TLS configuration Enterprise WPA/TKIP (broadcast), and 2nd SSID WPS-PSK (not broadcasted), both cards operate normally.
Now it gets interesting:
c. 2 SSID, 1 with EAP-TLS/WPA Enterprise on its own VLAN 102, 2nd SSID Open/No Encryption/No authentication on a separate VLAN 105, VLAN 1 is used for admin and radius backhaul to IAS.
If both SSID are broadcasted via mbssid guest-mode both Intel cards work as expected
If neither SSID are broadcasted, both Intel cards work as expected
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Has anyone heard of side-effect?
Alan

I'm seeing a similar issue with the 3945 right now. However in my example the following is the case;
APs are 1200 series IOS upgraded running 802.11b interfaces only. There are multiple SSIDs NONE of which are broadcasting.
We've got a few different client types. The Cisco CB21ABG cards are fine, as are the Intel 2200 and 7920 phones. It's only the 3945 that has a problem and it's running Intel's 10.5.1.68 driver which is the latest. I'm considering downgrading it to an older driver.
Anybody got a definate fix for this Intel card???

Strange behavior with Quick Cluster and one shared machine

Hi, I've been struggling for a while with my compressor 4.0.7 distributed processing setup... Here is my configuration:
1 Mac Mini running as a Quick Cluster with services (3 instances of compressor shared)
1 Macbook Pro running Services Only (7 instances of compressor shared)
1 Macbook Pro (much older) running Services Only (2 instances of compressor shared)
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The newer MBP can see the cluster in Share Monitor and in qadministrator, but cannot see any of the jobs in the history (the other Macbook Pro can see all details identically to the Mac Mini). When a job gets submitted from this system it appears as "Not Available" on the Mac Mini share monitor and it only utilizes 1 local process to do the rendering, which stalls out after about 1 minute. Activity Monitor shows all 7 instances of compressord are running and not frozen but have no activity.
Jobs submitted from the Mini and older MBP attempt to use the newer MBP for distributed rendering but stall out after about 30 seconds with a host error. The shared volume never appears on the newer MBP. Qadministrator on the Mini can see the newer MBP and all of the listed services as available.
Now here is the part that really blows my mind:
After submitting a job to the cluster from the newer MBP, which will stall out and need to be cancelled as mentioned above; submitting a job from the mini will actually successfully use the services on the newer MBP. Share monitor on the newer MBP still does not display any jobs on the server cluster. Rebooting the newer MBP puts me right back in the "I won't play with those other macs" tantrum.
Anyone else see this issue and have a fix for it? Workarounds are nice but this is very, very annoying when I get into crunch time.

Do you have log files?
          - Prasad
          Chris Dempsey wrote:
          > We have 2 WebLogic 4.5.1 servers in a cluster with none of the Service
          > Packs installed. When a client uses the deployed entity beans or
          > servlets they work every other time. The times they do not work nothing
          > happens. No exceptions, no responses to the client ( i.e. HTTP 404s ),
          > nothing. I suspect something in the cluster setup since we do not have
          > these same problems on non-clustered entity beans or servlets. We have
          > made sure all the entity beans have the Shared Database flag set on and
          > added the delayUpdatesUntilEndOfTx false to the enviroment of the DD.
          > That didn't fix the problem. Any ideas?
          >
          > Thanks in advance,
          > Dallas Dempsey
          > DEM - Houston, TX

Strange behavior with Bindings??

Hello to all JavaFX 2 Binding experts,
I have a strange behavior with Bindings in JavaFX 2.2 (Java 1.7 update 21). Please have a look at the following source code:
package test;
import javafx.application.Application;
import javafx.beans.binding.BooleanBinding;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.RadioButton;
import javafx.stage.Stage;
public class BindingVsProperty extends Application
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    private RadioButton opt11;
    @FXML
    private RadioButton opt12;
    @FXML
    private RadioButton opt21;
    @FXML
    private RadioButton opt22;
    @FXML
    private Label lbl11And21;
@Override
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        FXMLLoader l_loader = new FXMLLoader();
        l_loader.setLocation(BindingVsProperty.class.getResource("BindingVsproperty.fxml"));
        l_loader.setController(this);
        l_loader.load();
        Scene l_scene = new Scene((Parent)l_loader.getRoot());
        arg0.setScene(l_scene);
        useBinding1();
        //useBinding2();
        //useBinding3();
        arg0.show();
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        BooleanBinding l_andOpt11Opt21 = opt11.selectedProperty().and(opt21.selectedProperty());
        l_andOpt11Opt21.addListener(new ChangeListener<Boolean>()
            @Override
            public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boolean arg2)
                System.out.println("Opt 1.1 AND Opt 2.1 changed to: " + arg2);
    private void useBinding2() // OK - ChangeListener.changed(..) is called
        BooleanBinding l_andOpt11Opt21 = opt11.selectedProperty().and(opt21.selectedProperty());
        lbl11And21.visibleProperty().bind(l_andOpt11Opt21);
        l_andOpt11Opt21.addListener(new ChangeListener<Boolean>()
            @Override
            public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boolean arg2)
                System.out.println("Opt 1.1 AND Opt 2.1 changed to: " + arg2);
    private void useBinding3() // NOT WORKING - ChangeListener.changed(..) is not called
        BooleanBinding l_andOpt11Opt21 = opt11.selectedProperty().and(opt21.selectedProperty());
        new SimpleBooleanProperty(false).bind(l_andOpt11Opt21);
        l_andOpt11Opt21.addListener(new ChangeListener<Boolean>()
            @Override
            public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boolean arg2)
                System.out.println("Opt 1.1 AND Opt 2.1 changed to: " + arg2);
    public static void main(String[] args)
        launch(args);
<?xml version="1.0" encoding="UTF-8"?>
<?import java.lang.*?>
<?import java.util.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.paint.*?>
<BorderPane id="BorderPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefWidth="371.0" xmlns:fx="http://javafx.com/fxml">
<center>
    <AnchorPane prefHeight="200.0" prefWidth="200.0">
      <children>
        <Label id="lblAnd" fx:id="lbl11And21" layoutX="82.0" layoutY="121.0" text="Group1 Opt1 AND Group2 Opt1 is true" textFill="#41cc00" visible="false" />
        <RadioButton fx:id="opt21" layoutX="216.0" layoutY="24.0" mnemonicParsing="false" text="Group 2 - Opt 1">
          <toggleGroup>
            <ToggleGroup fx:id="group2" />
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        </RadioButton>
        <RadioButton fx:id="opt22" layoutX="216.0" layoutY="67.0" mnemonicParsing="false" text="Group 2 - Opt 2" toggleGroup="$group2" />
        <RadioButton fx:id="opt11" layoutX="29.0" layoutY="24.0" mnemonicParsing="false" text="Group 1 - Opt 1">
          <toggleGroup>
            <ToggleGroup fx:id="group1" />
          </toggleGroup>
        </RadioButton>
        <RadioButton fx:id="opt12" layoutX="29.0" layoutY="67.0" mnemonicParsing="false" text="Group 1- Opt 2" toggleGroup="$group1" />
      </children>
    </AnchorPane>
</center>
</BorderPane>
What I need for my application is the use case in useBinding1(), i.e., a BooleanBinding where several listeners are attached to. The problem is that I never get a callback in the ChangeListener if one of the RadioButton.selectedProperty() is changed.
Now I tried what happens if I use the same BooleanBinding for another binding to a property plus the listener, now the listener gets callbacks as expected! (see useBinding2() )
Than I thought may be Bindings must be bound in order to trigger listeners and tried useBinding3() where I bind the BooleanBinding to a new BooleanProperty, in this case the listener doesn't get callback anymore...
And now I'm very frustrated and hope that anyone out there can help me to understand this strange behavior.
Thanks a lot!
WhiteAntelope

All these work just fine for me: the listeners are all called as expected. Note that the listener is only invoked when the value of the binding actually changes, which doesn't happen every time a radio button is pressed. (For example, if both buttons are unselected, the binding is false. If one button is selected, the binding remains false and the listener is not invoked. When the second button is selected, the binding becomes true, and the listener is invoked.)

How to use same transaction when calling CMP entity beans and DAO (JDBC)

We are currently using Weblogic 8.1 SP2 with an Oracle 10g database (using XA thin and non-XA drivers).
We have a session bean that invokes an entity bean and a DAO (data access object pattern) in order to add data in 2 separate tables (account and history). Rows are added to the first (account) table using a CMP Entity bean while inserts are done in the 2nd (history) table using a DAO. Here is some pseudo code:
addHistorySessionBean (trans-attribute="Required")
begin
Step #1 - call addAccountEntityBean (trans- attribute="Required")
Step #2 - call addHistoryDAO (get datasource, connection)
end
The 2nd table (history) has a foreign key constraint to ensure that the corresponding key exists in the first (account) table. Unfortunately, DAO inserts on the 2nd (history) table fail with a foreign key constraint violation (INTEGRITY CONSTRAINT VIOLATION - PARENT KEY NOT FOUND!) since they cannot see the row added to the 1st (account) table in step #1 by the CMP entity bean.
How does one ensure that all this is done in a single transaction ? It appears that the app server creates two seperate transactions (one for the session bean facade and the entity bean and a 2nd transaction (when we retrieve a connection using the same data source JNDI name) for the DAO.
A post on server side suggested using a "<resource-ref>" in the session bean to tie the two potentially separate transactions together, but that does not work for us. However, I am not sure if we are doing that correctly. After we define the resource ref in the session facade bean, do we use the resource ref "name" attribute to lookup the datasource or do we still lookup the datasource by JNDI name ? Do we need to define the resource-ref tag in the entity bean also ?
Does Weblogic allow using a single transaction for this type of a scenario ? How does one specify within Weblogic that the same transaction should be utilized by the entity bean and any subsequent DAOs?
People have also suggested that we defer constraint checking until the transaction(s) are committed but that sounds like a work acount without addressing this issue. Would postponing the constraint checking in Oracle cause any additional overhead ?
Any suggestions with specific examples or documentation on how to address this issue will be gratefully appreciated.

Thanks for your suggestion. Unfortunately, this does not work since it appears that there are 2 separate transactions going on here. One, the original one initiated by the session bean and used by the entity bean and the other initiated by the DAO. Any other ideas appreciated.
Hi,
Try setting the delay-database-inserts tag to
ejbCreate in RDBMS descriptor file.
http://bernal/stage/wls/docs81/ejb/DDreference-cmp-jar
.html#1113981
vasanthi ramesh

Strange behavior with DefaultCellEditor

Hello everybody,
I found a strange behavior with DefaultCellEditor using a JTextField in a JTable. The following line will show, what I mean:
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greetings Marsian

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If it is in a normal cell (no rowspan), it works.
If I add ColumnConstraints to the gridpane, it kind of works, but the Label still occupies more space than it should.
Edited by: csh on 19.07.2012 03:51

Strange behavior with Collections

Hello!
I have a - from my point of view - strange behavior with a List (same also applies to Vector, LinkedList, and others):
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myList.add("One");
while (true) {
try {
System.out.println(myList.size());
throw new Exception();
} catch (Exception e) {
e.printStackTrace();
}And the result is 1, 2, 2, 2, ...although I added only one element. The two elements in the List point to the same object.
What could case this issue?
Regards,

len00x wrote:
List<String> myList = new myList<String>;This doesn't even look like it will compile for at least one reason, easily two.

Strange behavior with Label#setWrapText(true) in GridPane.

I've got a strange behavior with a Label, which has setWrapText(true) in a GridPane.
Check out the sample and click the button.
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(it takes the full available space).
Furthermore the first column shrinks to a minimum, so that lblText1 can't display its text anymore.
Tested with 2.1 GA.
Any help with that?
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
public class TestApp4 extends Application {
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How cam we implement Entity Beans and Session beans to represent Business Logic.
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Regards...

I have session beans calling method in entity beans and any client
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If i define security policy and method permissions for session beans
only, do entity beans use that permissions when calling their methods
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Caching data with Entity Bean

Hello,
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Hi,
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for (j = 0; j < myParagraph.characters.length-1; j++) {
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Thanks
** edit : don't know if it's important but I'm using CS6 **

Hi
Have you seen this in the object model viewer?
XMLElement.insertTextAsContent (using:varies, position: XMLElementPosition ): Text
Adobe InDesign CC (8.0) Object Model
Inserts the specified text as content before, in, or after the XML element.
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The text to be inserted. Can accept: String or SpecialCharacters enumerator.
position: Data Type: XMLElementPosition
The position at which to insert the text. Note that text inserted before or after the element does not become part of the content of the element. Instead, it becomes content of the parent of the element.
Don't ask me why it works when there is no doubled character
So i tried the following and it worked. I hope this will solve your problem.
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}   // main()
Kind regards
Dani (from Switzerland)

Strange behavior with csv flat file integration

Hi,
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<row>
<VAL1>D</VAL1>
<VAL2 />
<VAL3>01</VAL3>
<VAL4 />
<VAL5 />
<VAL6>003160000</VAL6>
<VAL7 />
<col>003160001</col>
<col />
<col>2</col>
<col />
<col>91200604212</col>
<col />
<col>VIRTUAL DJ HOME EDITION</col>
<col />
<col>2</col>
<col />
<col>2</col>
<col />
<col />
<col>2</col>
<col />
</row>
When i changed the separator to ; in my file and in the file inbound it gives the following.
Everything is ok.
<row>
<VAL1>D</VAL1>
<VAL2>01</VAL2>
<VAL3 />
<VAL4>003160000</VAL4>
<VAL5>003160001</VAL5>
<VAL6>7</VAL6>
<VAL7>91200604212</VAL7>
<col>VIRTUAL DJ HOME EDITION</col>
<col>10</col>
<col>10</col>
<col />
<col>10</col>
</row>
Why using a different separator would change the payload ?
It will be a good thing for me if I could use the pipe separator.
Thanks

Can you give the steps you're using to get this error? I'm not seeing any problem here.
1) Create a new audio project (44.1 KHz).
2) Arm the record head in track 1 by pressing the "R" button in that track. Verify audio levels.
3) Record by pressing the record button in the audio controls.
4) Stop recording by pressing the stop button.
5) Play back the resulting audio. Sounds fine.
6) Select File > Export.
7) Change the file format to WAVE file. Change the bit depth to 16 bit, change the sample rate to 44.1 KHz.
8) Type the name SAVETEST.wav and click on the Export button.
9) Play back the resulting WAV file in QuickTime Player, Apple Loops Utility, etc. and it seems just fine.
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I was experiencing a rather strange issue with my mouse and headset(both USB).
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Anybody ever had that problem?

I've had similar problems for some time now. Unfortunately, I don't know what the issue is either, but perhaps we can come up with some setup similarities and narrow it down. I have similar trouble with just alsa or with pulseaudio, so that's not it. It is unrelated to the DE, as it happened for me in both gnome 2 and xfce 4. It is not related to the machine either, as the same quirks occur in other machines with the same headset. I have had inconclusive results with downgrading to kernel26-lts, the ancient kernel. I thought at some point it messed up and I was sure the older kernel didnt help, but after trying recently-ish, I had no trouble for days -- until I found that I didn't have trouble on the main kernel either. ... then a few days later, it showed up again. Very irritating!
https://bbs.archlinux.org/viewtopic.php?id=122475
Does my old thread sound like your issue somewhat?
Essentially, at times, if the headset (wireless) is changed into a different power state (unplugged/plugged) or the mic state is toggled (mute/unmute), things that could be clicked on normally cant unless theyre in the window already focused -- mostly.
What headset are you using? 32 or 64 bit arch? Have you tried downgrading to kernel26-lts?

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