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chacha26

Freeze with java Barcode Component UCC128

I'm using the IDAutomation Java Barcode Component version 2017 and Java 17, we face a freeze of our application. The same problem is described here: https://support.idautomation.com/Java-Barcode-Package/Infinite-loop-in-Java-Barcode-Component-paint-UCC128/_3757 but we failed to implement the proposed workaround. I opened a new ticket with our active Level 2 Support. We have a very strategic customer impacted by this infinite loop problem with Code 128.

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» GS1ImageExamle.zip

10-27-23 185 day(s) ago

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Brant	Best Answer Refer to the attached GS1ImageExamle.zip, we were able to run the code without any problems. If you can run this code without any problems it proves that our library is working correctly. If this does not run in your environment, there is something wrong with that system because it runs correctly on our system. This example was run on Windows 11 with Java 8 update 391. LinearBarCode.jar is dated 3-24-2023 - this is the version in the download. Can you try the example on another system and if it works there; then use a process of elimination to find the source of the issue? Posted 179 day(s) ago (0) (0) Report Abuse

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Other Answers (6)

chacha26

Hello,

We modified the code you proposed. With our modification and the version of the library we have, we face an infinite loop.
Here is the modified code :

import com.idautomation.linear.BarCode;
import com.idautomation.linear.encoder.barCodeEncoder;

class BarCodeSnippet3
{
public static void main(String[] args)
{
BarCode bc = new BarCode();
bc.processTilde = true;
// bc.code = "~202013456789012345717991231";
bc.code = "~2023760";
barCodeEncoder bce = new barCodeEncoder(bc, "GIF", "GS1Test.gif");
System.exit(0);
}

What's wrong?

Posted 179 day(s) ago

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Brant

Please try this code to prove that our library is working correctly:

import com.idautomation.linear.*;
import com.idautomation.linear.encoder.*;
class CreateImageExample {
public static void main(String[] args) {
BarCode bc = new BarCode();
bc.processTilde = true;
bc.code = "~202013456789012345717991231";
barCodeEncoder bce = new barCodeEncoder(bc, "GIF", "GS1Test.gif");
System.exit(0);
}
}

Posted 185 day(s) ago

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chacha26

Thanks to give us more accute informations.

The behaviour of the library changed when we updgrade to Java 17 and Java Barcode Component version 2017.
We suscribed Level 2 Support to be helped.

Your answer "Try to run the example included in the download. If this example works, then use a process of elimination defined the source of the issue." is rather vague and doesn't really help.

Thanks in advance.

Posted 185 day(s) ago

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Brant

Try to run the example included in the download. If this example works, then use a process of elimination defined the source of the issue.

Posted 185 day(s) ago

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chacha26

A modified version of the snippet.

No way to have something working.

--------------------

package fr.infologic.superviseur.client.drivers.global;

import java.awt.image.BufferedImage;

import com.idautomation.linear.BarCode;

public class BarCodeSnippet2
{
private static final int WIDTH = 800;
private static final int HEIGHT = 20;

private static final String code = "3760";

public static void main(String[] args)
{
boolean processTilde = true;
paintBarCode(processTilde, BarCode.CODE128, "~202"+code);
}

private static void paintBarCode(boolean processTilde, int barType, String code)
{
final BarCode barCode = new BarCode();
barCode.barType = barType;
barCode.code = code;
barCode.setProcessTilde(processTilde);

final BufferedImage bufferedImage = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);

System.out.println("-------------------");
System.out.println("start paint " + processTilde + "-" + barType + "-" + code);
barCode.paint(bufferedImage.getGraphics());
System.out.println("end paint");
}

}

Posted 185 day(s) ago

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Brant

From the code you sent, it seems you need to set ApplyTilde to True and use the CODE128 function and not the UCC128 because in some situations the UCC128 function can cause problems. Use ~202 for each FNC1, For example:
processTilde = true;
paintBarCode(processTilde, BarCode.CODE128, "~202"+code);

Posted 185 day(s) ago

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