I am using Log4j2 with the JUL plug-in.

For example:

	... 18 more
1500642924477	Marionette	INFO	New connections will no longer be accepted
1500642924501	addons.xpi	DEBUG	Calling bootstrap method shutdown on webcompat@mozilla.org version 1.1

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When I replaced the JARs of POI-3.9 with POI-3.16, I am getting a popup "We found a problem with some content in file.xlsx. Do you want us to try to recover as much as we can? If you trust the source of this workbook, click Yes." while opening the downloaded excel. After clicking Yes, I am getting another popup "Excel completed file level validation and repair. Some parts of this workbook may have been repaired or discarded."

I have used below JARs.
1. poi-3.16.jar
2. poi-ooxml-3.16.jar
3. poi-ooxml-schemas-3.16.jar
4. xmlbeans-2.6.0.jar
5. commons-codec-1.10.jar
6. commons-collections4-4.1.jar
7. commons-logging-1.2.jar
8. junit-4.12.jar
9. log4j-1.2.17.jar

Please suggest a proper solution.

I'm using 11.2.0.4 for Windows 64bit. It comes with Java 5 as part of the install (I'm assuming so you don't need to have Java installed to use Oracle). How do I update that version of Java? I'm running into an error where I need the unlimited crypto package but I can't use it on Java 5 (I tried and it grenaded parts of Windows if I update the security files). I did then install Java 8 on the system but Oracle seems to look at it's own vs what is installed outside of Oracle.

we have web application, it is currently supported IP4.it is developed with Spring mvc.
now i want to support IPV6.. how could be the changes.. and how it will effect.

I'm trying to configure SSL(https) for tomcat 8 and have done below steps but still its not working

1) Create the keystore file using

keytool -genkey -alias myservername -keyalg RSA

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2) Generated CSR as below

keytool -certreq -alias myservername -file C:\tomcat_ssl\local_machine\test.csr -keystore C:\tomcat_ssl\local_machine\test.keystore

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3) Then we had Generated the Certificate and then imported the chain certificate and certificate as below

keytool -import -alias root -keystore C:\tomcat_ssl\local_machine\test.keystore -trustcacerts -file C:\tomcat_ssl\local_machine\srv_chain.cer

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keytool -import -alias myservername -keystore C:\tomcat_ssl\local_machine\test.keystore -file C:\tomcat_ssl\local_machine\srv_main.cer

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4) Finally Did the changes in tomcat server.xml as below

<Connector port="443" protocol="org.apache.coyote.http11.Http11NioProtocol" maxThreads="150" SSLEnabled="true" scheme="https" secure="true" clientAuth="false" sslProtocol="TLS" keystoreFile="C:\tomcat_ssl\local_machine\test.keystore" keystorePass="123" keystoreAlias="myservername"/>

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Restarted the tomcat and its not working and showing below screen


In tomcat logs it's not showing any errors and also i have tried other options like keeping cipher tag in connection, Enabled TLS 1,2,3 , changing https port etc no avail.

Also i have tested the https port 443 and it's showing as listening when i netstat. Any idea why this is not working

I am trying to print Persian character on my Zebra Z410 label printer. But for some reason it is printing ?????. The ZPL code I am sending to the printer via Zebra Settings Utilies

^XA
^FO50,50
^PA1,1,1,1
^A@N,50,50,E:TT0003M_.TTF^FDعاسشاتعفثه^FS
^XZ

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[06:06:37 PM] ----  Deployment started.  ----
[06:06:37 PM] Target platform is  (Weblogic 12.x).
[06:06:41 PM] Retrieving existing application information
[06:06:41 PM] Retrieving Shared Libraries Information from the server.
[06:06:41 PM] Running dependency analysis...
[06:06:41 PM] Deploying profile...
[06:06:41 PM] Wrote Enterprise Application Module to D:\OSDA_App_New\DiscoveryUITool\deploy\DiscoveryUITool.ear
[06:06:41 PM] Deploying 0 data source(s) to the server...
[06:06:41 PM] Deploying Application...
[06:06:45 PM] [Deployer:149193]Operation "deploy" on application "DiscoveryUITool" has failed on "AdminServer".
[06:06:45 PM] [Deployer:149034]An exception occurred for task [Deployer:149026]deploy application DiscoveryUITool on AdminServer.: [HTTP:101061][WebAppModule(DiscoveryUITool:Discovery)] Could not find Web application "C:\Oracle\Middleware\Oracle_Home2\user_projects\domains\Manju_domain\servers\AdminServer\tmp\_WL_user\DiscoveryUITool\a78nov\DiscoveryToolv2_Project1_webapp.war".
java.io.FileNotFoundException: C:\Oracle\Middleware\Oracle_Home2\user_projects\domains\Manju_domain\servers\AdminServer\tmp\_WL_user\DiscoveryUITool\a78nov\DiscoveryToolv2_Project1_webapp.war (The system cannot find the file specified)
      at java.util.zip.ZipFile.open(Native Method)
      at java.util.zip.ZipFile.<init>(ZipFile.java:219)
      at java.util.zip.ZipFile.<init>(ZipFile.java:149)
      at java.util.jar.JarFile.<init>(JarFile.java:166)
      at …

Hi All,

We are doing a small POC to migrate MF screens to JAVA based webpages. As a matter of fact, we have created COBOL SPs to call relevant MF DC online programs. In case we need to call COBOL SP, what approach do JAVA team has to follow.

NOTE : IBM MQ is not supported by customer
              IMS DC (IMS is the online component of my customer. IMS and DB2 databases are used by administration system) is not suggested as it needs additional work
              Webservice / business services help should not be used.

What could be the approach do we have to follow?

P.s : I am neither JAVA expert nor Mainframe expert. Since I am managing a project, trying to get suggestions from various areas.

Moreover I heard something like wrapping COBOL stored procedure with DB2 so that it can be converted to DB2 SP(Do we have any approaches like that). In my customer's IT landscape they can call DB2 SP by using ODBC driver.

I am looking forward to see responses from experts.

Regards,
Krishna

Dear Team,

instead of every time inserting data into stored procedure  is it possible that from front end (java) we collect data for example 3 forms we have to submit data and then we collect this data into xml and finally insert into our stored procedure

I am learning recursion so trying to practise it by implementing BinarySearch algorithm.

public class BinarySearch {
	public int search(int[] items, int searchTerm, int startIndex, int endIndex) {
		int midIndex = (startIndex + endIndex)/2 ;
		System.out.println("Midpoint: "+midIndex);
		if(searchTerm == items[midIndex]) {
			return midIndex;
		} else if(searchTerm > items[midIndex]) {
			search(items, searchTerm, midIndex, endIndex);
		} else if(searchTerm < items[midIndex]) {
			search(items, searchTerm, startIndex, midIndex);
		} else {
			return -1;
		}
		return -1;
	}
	
	public static void main(String[] args) {
		BinarySearch bs = new BinarySearch();
		int[] items = { 1, 7, 9, 11, 22, 55, 67 };
		int index = bs.search(items, 7, 0, items.length-1);
		System.out.println(index);
	}

}

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'search' is the method that is called recursively with array of items, the value that I want to search and start & end index of the array where item could potentially be there.

First, I get the midpoint and if the item at midpoint matches the searchTerm then I return it. If searchTerm is greater than value at midpoint then I call the search method again with  midpoint as startIndex and last item in the array as endIndex.
Similarly, if searchTerm is less than value at midpoint, then pass startIndex and midpoint as start and end value to search in.

Lets say, I want to search for 7. In the first iteration, 3 would be the midpoint so value at index 3 would be 11. Since, 7 < 11, search will be called again with startIndex as 0 and endIndex as 3. Now, midpoint would be 7, so the index of 7 (which is 1) should be returned. However, the value returned is -1 which is not correct.

When I tried troubleshooting it using Eclipse debugger, I found that even after the match is found at

if(searchTerm == items[midIndex]) {
			return midIndex;
}

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instead of exiting the method, the below code gets executed

else if(searchTerm < items[midIndex]) {
			search(items, searchTerm, startIndex, midIndex);
		}

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and then it returns -1. I feel it could be something to do with recursion as the previous invocation of search() would still be in the stack due to recursive nature of the code and it might be popping out of the stack. However, I can't really understand it. What would be the correct way to implement BinarySearch using recursion?

How authentication and authorization different from data integrity and Confidentiality.

why we use key, tokens, certificates, rkm etc. please advise