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Java: Thread passing parameters to another thread

stackoverflow.com - 2012-03-18 21:07:23 - Similar - Report/Block

I have two java classes called Reader and Worker. Reader reads strings from a text file and passes these strings to Workers which sort these strings into a tree. So I create a number of Worker-threads and 1 Reader-thread: try { /* Create and run worker processes. */ workers = new TrieWorker[numberOfWorkers];...

Passing Jagged Array to JSONoBJECT and StringEntity

java-forums.org - 2013-04-30 14:44:52 - Similar - Report/Block

I am calling a .net webservice in java that would do a post to one of my client database. The method is expecting a sessoionId, and a jagged array. It also return a jagged array. I am having an issue passing the jagged array to the JSONStringer and StringEntity. Below is a simple of my code inside the doinbackground: Code: if(sessionId !=...

How does Java run() method work?

stackoverflow.com - 2012-05-26 07:46:38 - Similar - Report/Block

Multi-threading in Java is done by defining run() and invoking start(). Start delegates to a native method that launches a thread through operating system routines and run() is invoked from within this newly spawned thread. When a standalone application is started a main thread is automatically created to execute the main(). Now consider...

Java NIO Pipe vs BlockingQueue

stackoverflow.com - 2011-09-26 18:36:26 - Similar - Report/Block

I just discovered that just has an NIO facility, Java NIO Pipe that's designed for passing data between threads. Is there any advantage of using this mechanism over the more conventional message passing over a queue, such as an ArrayBlockingQueue?...

Java Server Example Errors

stackoverflow.com - 2012-04-02 05:30:51 - Similar - Report/Block

Getting these errors in some java code http://tutorials.jenkov.com/java-multith readed-servers/multithreaded-server.html Exception in thread "Thread-0" java.lang.RuntimeException: Cannot open port 8080 at servers.MultiThreadedServer.openServerSo cket(MultiThreadedServer.java:61) at servers.MultiThreadedServer.run(MultiThr eadedServer.java:22...

Groovy's java.util.Date or Java's java.util.Date?

stackoverflow.com - 2012-03-20 19:32:57 - Similar - Report/Block

I have a Java application that is running embedded groovy scripts using a GroovyClassLoader . Everything is working great until I hit an odd error while passing Java types to a Groovy script. My issue is thus: I am passing a java.util.Date as a parameter into a groovy script. I found that Groovy's java.util.Date has a fantastic clearTime...

javax.net.ssl.SSLException: No available certificate or key corresponds to the SSL cipher suites which are enabled

stackoverflow.com - 2012-04-21 22:36:52 - Similar - Report/Block

I'm following this tutorial http://stilius.net/java/java_ssl.php to create simple SSLServer and client sockets. I've created the certificate using keytool but I've a problem executing this line from the above tutorial, "java -Djavax.net.ssl.keyStore=mySrvKeystore -Djavax.net.ssl.keyStorePassword=123456 EchoServer". Where should I put the...

How to pass query string parameters to the PHP binary?

stackoverflow.com - 2010-10-03 08:57:31 - Similar - Report/Block

I am developing a webserver that invokes the PHP binary (via CGI) to process a script. Here's the problem: The PHP script isn't picking up the command line parameters. For example, if the client requests path/to/file.php?test=value , the $_GET array is empty. I have tried passing the parameters in an environment variable ( QUERY_STRING )...

thread.join trigger thread.wait(), but why it doesn't need thread monitor?

stackoverflow.com - 2012-03-26 03:11:59 - Similar - Report/Block

Thread thread = new Thread(new Runnable() { @Override public void run() { try { TimeUnit.SECONDS.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } } }); thread.start(); try { thread.wait(); } catch (Inte...

Java InterruptedException suspends thread?

stackoverflow.com - 2012-09-14 21:17:40 - Similar - Report/Block

This should be a simple take for any Java Master. Me being a newbie just wanted to confirm one thing. I have a class implementing Runnable and like many such classes its run() method has an infinite loop. I want to do some task and then sleep for a min and come back again. While a thread is sleeping if an Interrupted Exception is encounte...

creating a dynamic (growing/shrinking) thread pool in Java

stackoverflow.com - 2012-06-28 18:49:14 - Similar - Report/Block

I need to implement a thread pool in Java (java.util.concurrent) whose number of threads is at some minimum value when idle, grows up to an upper bound (but never further) when jobs are submitted into it faster than they finish executing, and shrinks back to the lower bound when all jobs are done and no more jobs are submitted. How would...

Java: Passing Subclass Type as Parameter of Main()

stackoverflow.com - 2013-03-01 15:56:35 - Similar - Report/Block

Within the args[] of public static void main(String args[]) I would like to specify which subclass to implement. How can I convert a parameters of args[] (a String ) into a class declaration? For example, if args[0] "Subclass1" , then somewhere below I need to declare: BaseClass b = new Subclass1() Is this possible with Java?...

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java.security.AccessControlException: Occured when Running an applet

stackoverflow.com - 2012-09-01 13:02:36 - Similar - Report/Block

I am Learning Java Step by Step From Herbert Schildt Book Java2 Complete Reference Fifth Edition. On my way to creating simple Banner Applet which Display's Banner and Scrolls it on Applet Viewer by creating Thread and calling Repaint() method of Applet. but while crating thread object of runnable Target it throws exception like this java...

NameNode: java.net.BindException

stackoverflow.com - 2012-05-19 11:05:13 - Similar - Report/Block

hi folks i am stucked in very strange problem.I am installing HBase and hadoop on another VM by accessing it from my machine.Now i have properly installed hadoop and then iran it ./start-all.sh and i see that all processes are running perfectly.So i do jps and i saw that jobtracker tasktracker namenode secondrynamenode datanode everything...

using post method in ajax with perl script & parameters

stackoverflow.com - 2012-03-26 23:01:54 - Similar - Report/Block

I'm trying to use POST method in XMLHTTPRequest by calling Perl script with parameters. These variables (uName, uProject,etc) are valid I checked. write.pl also works when I manually pass parameters from command line. However, the parameters are coming up as blank when passing. Please help. request.open("POST", "/cgi-bin/write.pl", t...

Can't run Java example for Selenium / WebDriver

stackoverflow.com - 2012-04-07 20:29:58 - Similar - Report/Block

Having a problem getting going with Selenium on Java. I'm trying to follow the example on this page: http://code.google.com/p/selenium/wiki/G ettingStarted I'm typing this: $ javac -cp . -cp ~/Downloads/selenium-2.20.0/selenium-jav a-2.20.0-srcs.jar -cp ~/Downloads/selenium-2.20.0/selenium-jav a-2.20.0.jar -g Example.java And getting this:...

Passing DBNull.Value and Empty textbox value to database

stackoverflow.com - 2012-09-16 04:56:07 - Similar - Report/Block

I have some textboxes on my page which can be empty because they are optional and I have this DAL code parameters.Add(new SqlParameter("@FirstName", FirstName)); parameters.Add(new SqlParameter("@LastName", LastName)); parameters.Add(new SqlParameter("@DisplayName", DisplayName)); parameters.Add(new SqlParameter("@BirthDate", BirthDate));...

Create a connection to an informix DB using ODBC and parameters through Excel VBA

dbforums.com - 2013-06-05 12:01:45 - Similar - Report/Block

For reasons out of my control I cannot use Microsoft Query and parameters for this, as would be desirable, so I wish to go through this route, but I'm not sure how. Using VBA, I want to establish a connection using ODBC to a database, and execute a SQL query passing two parameters that will be entered into cells A1 and B1 in the Excel wor...

How to pass multiple parameters in a query string openlaszlo

stackoverflow.com - 2012-05-03 05:44:25 - Similar - Report/Block

How can i pass multi parameters in a query string, openlaszlo? I am getting compile time error when i use'&' between two parameters. Sample Code: LzBrowser.loadURL("../modules/Index.jsp? "base=canvas.base&id=canvas.Id,"fraM ain"); Someone please help me in passing multi parameters in a query string openlaszlo. Thanks in advance...

java thread hangs while using executorService executing a oracle query

stackoverflow.com - 2013-03-05 09:40:19 - Similar - Report/Block

"pool-11-thread-1" prio=10 tid=0x0a974c00 nid=0x7210 runnable [0x3f3ad000] java.lang.Thread.State: RUNNABLE at oracle.jdbc.driver.T2CStatement.t2cDefin eExecuteFetch(Native Method) at oracle.jdbc.driver.T2CPreparedStatement. doDefineExecuteFetch(T2CPreparedStatemen t.java:878) at oracle.jdbc.driver.T2CPreparedStatement. executeForRows(T2C...

How to automatically get thread dumps from tomcat

stackoverflow.com - 2012-04-14 17:45:05 - Similar - Report/Block

We had some issues of thread pile ups with production tomcat server so I wanted to setup some cron to to periodically check thread dumps and send alert email if something is wrong. To do this we need to take thread dumps in file from shell script but I am unable to do that. From shell I can issue KILL -3 <PID> at periodic interval...

How to set JVM option on Windows Java Plugin

stackoverflow.com - 2013-03-21 07:26:47 - Similar - Report/Block

On Windows I tried below two but nothing worked. Java Control Panel / Java / Java Runtime Settings / View / User / Runtime Parameters -Dfile.encoding=UTF-8 set JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF-8 Java Console still prints out file.encoding = MS949...

Writing JSP Tags with 0+ key/value parameters

stackoverflow.com - 2013-04-09 11:17:20 - Similar - Report/Block

I'm currently working on a project that I'm required to use JSP for, and I'm trying to write a custom tag to generate A links (Because there are some parameters that are always provided on all of the links regardless, so I want to encapsulate all of this in one place). Ideally I want to be able to write my links like: And have this write...

Another java.lang.IndexOutOfBoundsException, but index < size

stackoverflow.com - 2012-05-06 23:51:29 - Similar - Report/Block

I've just ported all my arrays to ArrayList (due to my great lack of knowledge in Java I didn't know basic Array type does not have any ".add" option) in my little program and everything seems fine... except that from time to time an exception is thrown, but it contradicts itself: Exception in thread "AWT-EventQueue-0" java.lang.IndexOutO...

How to make structure in JNA?

stackoverflow.com - 2013-02-24 09:30:08 - Similar - Report/Block

I get this error when i run the code below; Exception in thread "AWT-EventQueue-0" java.lang.Error: Structure.getFieldOrder() on class javaapplication2.NewJFrame$APPBARDATA returns names ([cbSize, hWnd, jCallbackMessage, jEdge, rc, sParam]) which do not match declared field names ([]) at com.sun.jna.Structure.getFields(Structur e.java:872...

Java OutOfMemoryException unable to create new native thread

stackoverflow.com - 2012-05-03 11:55:30 - Similar - Report/Block

I have a server written in jav running at 100MB of RAM or so on startup(info gotten from viewing the process explorer). However, when a client connects to it to transfer a big file, the RAM usage goes up until around 160MB or so and I got the error below. I have tried setting -Xmx128m, -Xmx256m, -Xmx512m, -Xmx1024m to no avail. What shoul...

Java 7 support for Google App Engine Java

stackoverflow.com - 2012-06-13 01:30:51 - Similar - Report/Block

The Google App Engine Java overview page indicates that the Java versions 5 and 6 are supported. When starting the local development server with Java 7u4 the following error bubbles up: # A fatal error has been detected by the Java Runtime Environment: # SIGBUS (0xa) at pc=0x000000010d733a96, pid=32766, tid=140735250205024 # JRE version:...

SNMP4J.jar - java.lang.ClassNotFoundException

stackoverflow.com - 2012-04-22 09:19:46 - Similar - Report/Block

I'm trying to check some SNMP example, so i've downloaded snmp4j.jar compiled SNMP.java using javac -cp snmp4j.jar SNMP.java (it's OK) tried to start it using java -cp snmp4j.jar SNMP , but it reports: root@comp:~/workspace_c/SNMP# java -cp snmp4j.jar SNMP Exception in thread "main" java.lang.NoClassDefFoundError: SNMP Caused by: java.l...

VBA Passing Parameters to Saved Query, then call report

dbforums.com - 2013-04-19 22:53:58 - Similar - Report/Block

Good afternoon, I have a saved Access 2010 query that I use in a report. The query has one parameter entered in the criteria section: [Township] There are multiple townships that I need to gather in a list box (i.e. "Bloom" OR "Bremen" OR "West") I wrote a VBA procedure to gather the townships from the list box into a string with these va...

Launching jarsigner.exe on windows os which jdk/jre not installed

stackoverflow.com - 2012-06-12 09:02:02 - Similar - Report/Block

I've embedded jre files to my applications setup, i can use java.exe to perform some java specific tasks. And i want to use jarsigner.exe but when i launch jarsigner, it checks some registry keys, and could not found (because jre is not insatalled by jre setup) them and gives error. How can i specify java.exe path to jarsigner so that it...

Does java.awt.Robot.waitForIdle() wait for events to be dispatched?

stackoverflow.com - 2012-06-15 01:59:30 - Similar - Report/Block

I'm using java.awt.Robot for integration tests of my Swing application, but I'm having trouble running my actions in the correct order. How can I tell the thread that calls robot.mousePressed(...) to block until Swing is finished dispatching that event? Apparently, robot.setAutoWaitForIdle(true) does no good. Here's my demo. I expect t...

Compilation error with external Jar

stackoverflow.com - 2012-05-29 01:23:35 - Similar - Report/Block

I am trying to command line compile my code and I cannot get it to run properly. My project was in eclipse and i could specify the location of a jar file to include but the command line is another issue. All .java and the .jar file are in the same director. I can compile with javac -classpath opencsv-2.3.jar *.java I get the following exc...

Scala: Best way to parse command-line parameters (CLI)?

stackoverflow.com - 2010-02-23 04:27:09 - Similar - Report/Block

What's the best way to parse command-line parameters in Scala? I personally prefer something lightweight that does not require external jar. Related: Java library for parsing command-line parameters? What parameter parser libraries are there for C++? Best way to parse command line arguments in C#...

Java RMI NoClassDefFoundError (development on Netbeans IDE)

stackoverflow.com - 2012-03-29 11:30:25 - Similar - Report/Block

I'm a student, and I'm trying to write an RMI application. I have 3 separate projects: One is Server Side One is Common (include Interface and Entities to reflect with Database Structure) One is Client and I write it on Netbeans IDE. When I start server I receive a printstack error like this: Exception in thread "main" java.lang.NoClassDe...

I need a thread in Web/JavaEE container to complete AsyncContext objs in same JVM

stackoverflow.com - 2012-04-23 08:53:31 - Similar - Report/Block

I need a thread in Web/JavaEE container to fetch information from an external source and complete corresponding AsyncContext objs in same JVM. I wish to have a zero-added-latency solution, so periodic polling or a timer is ruled out. I could start a thread but I believe it is frowned upon in a Web container and not portable. Q1. Is it pos...

Unchecked Cast: Map Output is firing unchecked cast warning

stackoverflow.com - 2013-03-17 16:13:16 - Similar - Report/Block

I have the following line of code: List variandIds=(List)parameters.get(Analysis Constants.VARIANT_LOOKUPS_ID_LIST); it fires the following warning: Unchecked cast 'java.lang.Object' to 'java.util.List' parameters here is a map. I need to get rid of the warning so I want to figure out a way to check the value of the list now I could use @...

Will this Java service make use of the command prompt?

stackoverflow.com - 2012-03-22 08:37:26 - Similar - Report/Block

The Java code runs the command prompt and passes parameters to it, and then executes. it works fine in Eclipse IDE, but when I make it as a service (in Windows 7) and run it, it doesn't work. What I want to ask is will this service invoke the command prompt, pass parameters, and run it. Just for reference on line code is given below. Stri...

How to convert 24hr timestring to standard java Date vice versa?

stackoverflow.com - 2012-02-28 01:27:45 - Similar - Report/Block

I would like to have two functions: Say I have the date in a string "11/12/2011" and time in a String: "0200" . I would like a simple function (if possible) that takes two parameters (the date and time from above) in java that converts it into 11/12/2011 2:00AM in a Java object. Say I have a java object as the only parameter (e.g. 11/...

Servlet's RequestDispatcher.forward() method does not work

stackoverflow.com - 2013-04-10 03:20:22 - Similar - Report/Block

I have a Java Application which connects to a servlet using HttpURLConnection. The application embeds the parameters it wants to pass to the servlet in the url while connecting to it.Thus the servlet can access and process these parameters using its doGet(). I am through with this part (I can access the parameters and dispay them in the s...

Java Memory allocation with Thread

stackoverflow.com - 2012-05-11 17:44:44 - Similar - Report/Block

I am wondering what happen if you declare a local thread within a method ? Because normally all the local variables will be gone as soon as the function returns since they are all allocated on Stack, but seems like an issue with a local thread would be a different story. Is that right ? public int A(){ Thread t = new Tread(){ doSomethin...




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