xcluster | Algorithms and evaluation tools for extreme clustering | Machine Learning library

by iesl Scala Version: Current License: Apache-2.0

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | xcluster Summary

xcluster is a Scala library typically used in Artificial Intelligence, Machine Learning applications. xcluster has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

xcluster contains algorithms and evaluation tools for extreme clustering, i.e., instances of clustering in which the number of points to be clustered and the number of clusters is large. Most notably, xcluster contains an implementation of PERCH (Purity Enhancing Rotations for Cluster Hierachies). PERCH is an online extreme clustering algorithm that incrementally builds a tree with data points at its leaves. During the data point insertion procedure, PERCH performs rotations to keep the tree accurate and as balanced as possible. Empirical experiments show that PERCH produces purer trees faster than other algorithms; theoretical analysis shows that for separable data, PERCH builds trees with perfect dendrogram purity regardless of the order of the data. Technical details and analysis of the algorithm can be found in our paper: A Hierarchical Algorithm for Extreme Clustering.

Support

Quality

Security

License

Reuse

Support

xcluster has a low active ecosystem.

It has 64 star(s) with 22 fork(s). There are 10 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 3 have been closed. On average issues are closed in 142 days. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of xcluster is current.

Quality

xcluster has no bugs reported.

Security

xcluster has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

xcluster is licensed under the Apache-2.0 License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

xcluster releases are not available. You will need to build from source code and install.

Installation instructions, examples and code snippets are available.

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xcluster Key Features

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xcluster Examples and Code Snippets

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Community Discussions

Trending Discussions on xcluster

Why java.lang.NoSuchMethodError: org.springframework.util.ClassUtils.forName(Ljava/lang/String;)Ljava/lang/Class is thrown on Deploy operation?

Azure DSC Extension. HKLM:\SOFTWARE\Microsoft\PowerShell\3\DSC doesn't exist

QUESTION

Why java.lang.NoSuchMethodError: org.springframework.util.ClassUtils.forName(Ljava/lang/String;)Ljava/lang/Class is thrown on Deploy operation?

Asked 2018-Jul-19 at 20:58

Case 1:
When I deploy an application with Jenkins in an environment say E1, it works successfully. App gets deployed and no errors on Jenkins console output.

Case 2:
When I deploy the same application with Jenkins in another environment say E2, the deploy operation fails but the app does get deploy in the server. Though I get errors in Jenkins console. I am confused, Is it code issue or server issue, how can I fix it?
Below is the error in this case:

Target state: deploy failed on Cluster xCluster
15:53:27 java.lang.NoSuchMethodError: org.springframework.util.ClassUtils.forName(Ljava/lang/String;)Ljava/lang/Class; 15:53:27 at org.springframework.oxm.jaxb.JaxbUtils.(JaxbUtils.java:44) 15:53:27 at org.springframework.oxm.jaxb.Jaxb2Marshaller.createJaxbContext(Jaxb2Marshaller.java:272) 15:53:27 at org.springframework.oxm.jaxb.AbstractJaxbMarshaller.afterPropertiesSet(AbstractJaxbMarshaller.java:125) 15:53:27 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687) 15:53:27 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624) 15:53:27 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) 15:53:27 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 15:53:27 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) 15:53:27 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 15:53:27 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) 15:53:27 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) 15:53:27 at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) 15:53:27 at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867) 15:53:27 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543) 15:53:27 at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122) 15:53:27 at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693) 15:53:27 at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360) 15:53:27 at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) 15:53:27 at org.springframework.boot.web.support.SpringBootServletInitializer.run(SpringBootServletInitializer.java:154) 15:53:27 at org.springframework.boot.web.support.SpringBootServletInitializer.createRootApplicationContext(SpringBootServletInitializer.java:134) 15:53:27 at org.springframework.boot.web.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:87) 15:53:27 at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:169) 15:53:27 at weblogic.servlet.internal.WebAppServletContext.initContainerInitializer(WebAppServletContext.java:1389) 15:53:27 at weblogic.servlet.internal.WebAppServletContext.initContainerInitializers(WebAppServletContext.java:1326) 15:53:27 at weblogic.servlet.internal.WebAppServletContext.initContainerInitializers(WebAppServletContext.java:1312) 15:53:27 at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1829) 15:53:27 at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:2891) 15:53:27 at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1661) 15:53:27 at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:823) 15:53:27 at weblogic.application.internal.ExtensibleModuleWrapper$StartStateChange.next(ExtensibleModuleWrapper.java:360) 15:53:27 at weblogic.application.internal.ExtensibleModuleWrapper$StartStateChange.next(ExtensibleModuleWrapper.java:356) 15:53:27 at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:42) 15:53:27 at weblogic.application.internal.ExtensibleModuleWrapper.start(ExtensibleModuleWrapper.java:138) 15:53:27 at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:124) 15:53:27 at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:216) 15:53:27 at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:211) 15:53:27 at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:42) 15:53:27 at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:73) 15:53:27 at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:24) 15:53:27 at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:729) 15:53:27 at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:42) 15:53:27 at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:258) 15:53:27 at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:61) 15:53:27 at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:165) 15:53:27 at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:80) 15:53:27 at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:587) 15:53:27 at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) 15:53:27 at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) 15:53:27 at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:339) 15:53:27 at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:846) 15:53:27 at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1275) 15:53:27 at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:442) 15:53:27 at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:176) 15:53:27 at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195) 15:53:27 at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13) 15:53:27 at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:68) 15:53:27 at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:553) 15:53:27 at weblogic.work.ExecuteThread.execute(ExecuteThread.java:311) 15:53:27 at weblogic.work.ExecuteThread.run(ExecuteThread.java:263)

...

ANSWER

Answered 2018-Jul-19 at 20:58

Appreciate the comments from Deinum and Roddy!
I was able to resolve the issue/error and the deploy operation was successful.
Here is what I did:
I found multiple versions of spring-oxm in my library. I had to remove the oldest one and and retained the latest one which came from spring-boot-starter-web-services kit. Once you have single version and latest version of spring-oxm jar, you should be able to build, test and deploy successfully.
This was the root cause of the issue.

Source https://stackoverflow.com/questions/51388400

QUESTION

Azure DSC Extension. HKLM:\SOFTWARE\Microsoft\PowerShell\3\DSC doesn't exist

Asked 2017-Nov-16 at 10:08

I'm trying to create an Azure RM Template with SQL Server 2016 AlwaysOn Avaiability Group by using this base template http://4c74356b41.com/post5775 The template I linked is too complex for me. I just need to create 2 VMs and 1 Storage Account and apply proper DSC to the VMs. I'm getting the following error while applying configuration sql-primary and configuration sql-secondary to the both VMs:

...

ANSWER

Answered 2017-Nov-16 at 10:08

Just to sum up a bunch of points here:

domain and sql accounts should be different
sql cluster ip address should be in one of the cluster networks
you need to precreate the dns name record for the load balancer (due to how i'm doing everything in parallel i've decided to put that functionallity into the domain provisioning dsc configurations)
to check deployment you can use always on dashboard

Cannot find path 'HKLM:\SOFTWARE\Microsoft\PowerShell\3\DSC' because it does not exist.

Seems to be a general error being thrown when something goes wrong (at least I could never find a pattern why it appeared), so usually its safe to disregard that error, it will be gone when you fix the real error (in my experiecen, at least).

SQL provisioning fails (sometimes) with weird errors (usually dns\timing related). I'm not sure how this would behave in an environment where domain is precreated in advance. it might be less fragile overall. In my latest commit (at the time of writing) I believe I've addressed some of the stability issues, and I'm quite sure with domain, storage for backups, keyvault precreated those issues shouldn't be present at all.

Source https://stackoverflow.com/questions/47154974

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Vulnerabilities

No vulnerabilities reported

Install xcluster

If running the python code, download and Install Anaconda's Python3. If running python code, install numba.

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