# \#build-error **URL:** https://forum.universal-robots.com/tag/build-error/28.md [Latest](https://forum.universal-robots.com/latest.md) · [Categories](https://forum.universal-robots.com/categories.md) · [Tags](https://forum.universal-robots.com/tags.md) --- ## [Stuck in Script Editor after java Exception](https://forum.universal-robots.com/t/stuck-in-script-editor-after-java-exception/2114)
**Author:** [@anon75015020](https://forum.universal-robots.com/u/anon75015020)\ **Replies:** 0\ **Last updated:** [June 14, 2018, 8:17am UTC](https://forum.universal-robots.com/t/stuck-in-script-editor-after-java-exception/2114 "2018-06-14T08:17:03Z")
Hello, this happened to me about 3-4 times until now. Here is how it happened this time: I tried to run the programm A spelling mistake (in the script file) was found by the compiler The Mistake was corrected Java Ex… --- ## [ArrayIndexOutOfBoundsException occurs sometimes at startup of PolyScope](https://forum.universal-robots.com/t/arrayindexoutofboundsexception-occurs-sometimes-at-startup-of-polyscope/5913)
**Author:** [@anon19494375](https://forum.universal-robots.com/u/anon19494375)\ **Replies:** 0\ **Last updated:** [December 20, 2019, 11:55am UTC](https://forum.universal-robots.com/t/arrayindexoutofboundsexception-occurs-sometimes-at-startup-of-polyscope/5913 "2019-12-20T11:55:39Z")
I am using the following simulator: URsim for non Linux 5.5.1 This error does not occur frequently when I deploy the URCap to the simulator, but it does occur sometimes. Has anyone else ever gotten this exception at … --- ## [java.lang.NoClassDefFoundError](https://forum.universal-robots.com/t/java-lang-noclassdeffounderror/10833)
**Author:** [@anon47605637](https://forum.universal-robots.com/u/anon47605637)\ **Replies:** 1\ **Last updated:** [December 29, 2020, 12:39pm UTC](https://forum.universal-robots.com/t/java-lang-noclassdeffounderror/10833 "2020-12-29T12:39:33Z")
Hello I am trying to implement functionality for OCR text recognition in URCap. I am using Tesseract ver. 3.4.8. I’ve added tess4j-3.4.8.jar file in resources folder and then in Project properties -\> Java Build Path -\> … --- ## [Installing fail urcap-sdk-1.0.0.7 using install.sh](https://forum.universal-robots.com/t/installing-fail-urcap-sdk-1-0-0-7-using-install-sh/236)
**Author:** [@anon61101646](https://forum.universal-robots.com/u/anon61101646)\ **Replies:** 8\ **Last updated:** [September 11, 2020, 10:22am UTC](https://forum.universal-robots.com/t/installing-fail-urcap-sdk-1-0-0-7-using-install-sh/236 "2020-09-11T10:22:07Z")
I have failed to install urcap-sdk-1.0.0.7 with the following messages. So I could not build MyDaemon example. HelloWorld is OK. I work under URSIm 3.3.0.145 Starter-VMware Workstation 12 Player. ur@ursim:~/urcap-sdk-… --- ## [URCaps with third party DLL/.so](https://forum.universal-robots.com/t/urcaps-with-third-party-dll-so/6993)
**Author:** [@s\_c](https://forum.universal-robots.com/u/s_c)\ **Replies:** 4\ **Last updated:** [April 20, 2020, 10:51am UTC](https://forum.universal-robots.com/t/urcaps-with-third-party-dll-so/6993 "2020-04-20T10:51:16Z")
Good morning, I would like to know if it’s possible to add a third party library to an URCaps. I would like to create our .dll (if we implements them in Windows SO) or .so (if we work on Linux system) and use it in our … --- ## [Maven problem on Ubuntu 16.04](https://forum.universal-robots.com/t/maven-problem-on-ubuntu-16-04/4884)
**Author:** [@anon77758533](https://forum.universal-robots.com/u/anon77758533)\ **Replies:** 10\ **Last updated:** [March 19, 2020, 3:36am UTC](https://forum.universal-robots.com/t/maven-problem-on-ubuntu-16-04/4884 "2020-03-19T03:36:24Z")
I am trying to set up my Ubuntu to develop URCaps instead of working inside a VM. After figthing many problems i managed to install the ursim 5… and the other necessary stuff. The last thing i have problems with is, to… --- ## [\[SOLVED\] \[URSim-3.6.1\] Missing Library/Segmentation Fault with URControl](https://forum.universal-robots.com/t/solved-ursim-3-6-1-missing-library-segmentation-fault-with-urcontrol/2384)
**Author:** [@samuel.paxton](https://forum.universal-robots.com/u/samuel.paxton)\ **Replies:** 2\ **Last updated:** [July 26, 2018, 3:04pm UTC](https://forum.universal-robots.com/t/solved-ursim-3-6-1-missing-library-segmentation-fault-with-urcontrol/2384 "2018-07-26T15:04:10Z")
I am trying to setup an environment to test my URCap locally, and am running into a very strange issue that I have never seen before with URSim. Problem: Running the start-ursim.sh script does not successfully initiat… --- ## [Eclipse is getting killed](https://forum.universal-robots.com/t/eclipse-is-getting-killed/2098)
**Author:** [@anon82484413](https://forum.universal-robots.com/u/anon82484413)\ **Replies:** 2\ **Last updated:** [June 13, 2018, 5:37am UTC](https://forum.universal-robots.com/t/eclipse-is-getting-killed/2098 "2018-06-13T05:37:38Z")
I downloaded the newest starter vm image. But if I start Eclipse and Polyscope at the same time, they both start to run very slow, and after some minutes, Eclipse is getting killed. Also when I start Eclipse this sho… --- ## [Testing pre-installed samples](https://forum.universal-robots.com/t/testing-pre-installed-samples/1820)
**Author:** [@Uffe](https://forum.universal-robots.com/u/Uffe)\ **Replies:** 11\ **Last updated:** [April 6, 2018, 6:51am UTC](https://forum.universal-robots.com/t/testing-pre-installed-samples/1820 "2018-04-06T06:51:31Z")
Hi, I’m trying to learn URcaps using SDK-1.2.41 under VirtualBox looking into the samples. HelloWorld, pickorplace is running and I got ManipulateIO running with help from Roman. It get build failures when I try to te… --- ## [Error while starting PolyScope at "com.ur.urcap.conveyortracking \[79\]"](https://forum.universal-robots.com/t/error-while-starting-polyscope-at-com-ur-urcap-conveyortracking-79/1616)
**Author:** [@anon29260635](https://forum.universal-robots.com/u/anon29260635)\ **Replies:** 1\ **Last updated:** [February 13, 2018, 9:19am UTC](https://forum.universal-robots.com/t/error-while-starting-polyscope-at-com-ur-urcap-conveyortracking-79/1616 "2018-02-13T09:19:09Z")
Hello guys, i don’t know whats wrong but after current restart PolyScope seems to have a bad problem while loading its content… The funny thing is that the error occours while starting a bundle i didn’t edit at all, so… --- ## [XML-RPC URCap Sample issue](https://forum.universal-robots.com/t/xml-rpc-urcap-sample-issue/973)
**Author:** [@anon60482005](https://forum.universal-robots.com/u/anon60482005)\ **Replies:** 1\ **Last updated:** [July 18, 2017, 4:05pm UTC](https://forum.universal-robots.com/t/xml-rpc-urcap-sample-issue/973 "2017-07-18T16:05:55Z")
Hello everyone, I have been trying to make this XMLRPC example work for a day now: https://www.universal-robots.com/how-tos-and-faqs/how-to/ur-how-tos/xml-rpc-communication-16326/ There must be some kind of linking err… --- ## [Build Error when deploying Daemon](https://forum.universal-robots.com/t/build-error-when-deploying-daemon/955)
**Author:** [@anon4621714](https://forum.universal-robots.com/u/anon4621714)\ **Replies:** 3\ **Last updated:** [July 11, 2017, 2:10pm UTC](https://forum.universal-robots.com/t/build-error-when-deploying-daemon/955 "2017-07-11T14:10:11Z")
Hallo, I tried to deploy My daemon like I did with the Hello World but i have always a problem and a fail message is the My Daemon deployed the same way as Hello World or is there another way NB: I did like it is ment… --- ## [Problem by running helloworld](https://forum.universal-robots.com/t/problem-by-running-helloworld/901)
**Author:** [@anon4621714](https://forum.universal-robots.com/u/anon4621714)\ **Replies:** 3\ **Last updated:** [June 23, 2017, 1:58pm UTC](https://forum.universal-robots.com/t/problem-by-running-helloworld/901 "2017-06-23T13:58:29Z")
hello I have always the same problem trying to build the ´Helloworld´ and i get this message " Build failed Reason unable to find an ant file to run" what can be the problem ? thanks with best regards --- ## [Setup programming environment Linux Mint 64 Cinammon URCap](https://forum.universal-robots.com/t/setup-programming-environment-linux-mint-64-cinammon-urcap/143)
**Author:** [@anon2960714](https://forum.universal-robots.com/u/anon2960714)\ **Replies:** 5\ **Last updated:** [August 9, 2016, 9:39am UTC](https://forum.universal-robots.com/t/setup-programming-environment-linux-mint-64-cinammon-urcap/143 "2016-08-09T09:39:09Z")
Hello, after I installed Linux Mint I am having trouble to install the URCap SDK, urcap-sdk-1.0.0.7 I like to use Linux Mint because there is more software available. It´s the linuxmint-17.1-cinnamon-64bit- version T…