How to use Authorization code grant type (Oauth 2.0) with WSO2 API Manager 1.8.0
1. Create API in WSO2 API Manager publisher and create application in API store. When you create application give some call back url as follows. http://localhost:9764/playground2/oauth2clientSince i'm...
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Deploy WSO2 API Manager across multiple datacenters - High availability for...
Here in this post i will discuss how we can deploy WSO2 API Manager across multiple data centers.Problems with normal clustered deployment across multiple data centers.The databases are accessed (by...
View ArticleHow to add API using curl commands using 3 steps in UI design/implement/manage
Listing these instructions as it can help to anyone.Create a API with the normal add api with design/implement/manage calls. Execute following three commands so the API will be created, this is how we...
View ArticlePlanning large scale API Management deployment with clustering - WSO2 API...
When we do capacity we need to consider several factors. Here i will take basic use case as scenario and explain production recommendations.With default configuration we can have following TPS per...
View ArticleHow to import, export APIs with WSO2 API Manager 1.9.0
API Manager 1.9.0 we have introduced API import/export capability. With that we will be able to to download API from one platform and export it to other platform.With this feature we will retrieve all...
View ArticleHow to enable AWS based clustering mode in WSO2 Carbon products (WSO2 API...
To try aws based clustering on AWS you can change the membership scheme to AWS, and then provide the following parameters in the clustering section of the axis2.xml file. Before you try this on API...
View ArticleEnable debug logs and check token expire time in WSO2 API Manager
To do that you can enable debug logs for following class.org.wso2.carbon.apimgt.impl.dao.ApiMgtDAOThen it will print following loglog.debug("Checking Access token: " + accessToken + " for validity." +...
View ArticleWSO2 API Manager CORS support and how it works with API gateway - APIM 1.8.0
According to wiki cross-origin resource sharing (CORS) is a mechanism that allows restricted resources (e.g. fonts, JavaScript, etc.) on a web page to be requested from another domain outside the...
View ArticleHow to send specific status code and message based on different...
In WSO2 API Manager all authentication faliures will hit auth failure handler. There you will be able to change message body, content, header based on internal error codes.As example if we got resource...
View ArticleHow to write custom throttle handler to throttle requests based on IP address...
Please find the sample source code for custom throttle handler to throttle requests based on IP address. Based on your requirements you can change the logic here.package...
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How to add secondry user store domain name to SAML response from shibboleth...
When we configure shibboleth as identity provider in WSO2 Identity server as described in this article(http://xacmlinfo.org/2014/12/04/federatation-shibboleth/) deployment would be something like...
View ArticleHow to change endpoit configurations, timeouts of already created large...
How to add additional properties for already create APIs. Sometimes in deployments we may need to change endpoint configurations and some other parameters after we created them.For this we can go to...
View ArticleHow to use SAML2 grant type to generate access tokens in web applications...
Exchanging SAML2 bearer tokens with OAuth2 (SAML extension grant type)SAML 2.0 is an XML-based protocol. It uses security tokens containing assertions to pass information about an enduser between a...
View ArticleHow to get MD5SUM of all files available in conf directory
We can use following command to get MD5SUM of all files available in the system. We can use this approach to check status of configuration file of multiple servers and check those are same or not.find...
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How to handle ditributed counter across cluster when each node contribute to...
Handle throttling in distributed environment is bit tricky task. For this we need to maintain time window and counters per instance and also those counters should be shared across cluster as well....
View ArticleHow to minimize solr idexing time(registry artifact loading time) in newly...
In API Management platform sometimes we need to add store and publisher nodes to cluster. But if you have large number of resources in registry solr indexing will take some time.Solr indexing will be...
View ArticleHow to avoid getting incorrect access tokens due to constraint violation when...
Sometimes you may see following behavior when we have very high load on token API.1. Call https://localhost:8243/token2. Get constraint error.{org.wso2.carbon.identity.oauth2.dao.TokenPersistenceTask}...
View ArticleHow to increase time out value in WSO2 API Manager
When we increase timeout value in API Manager we have to set 3 properties.1) Global timeout defined in synapse.properties (\repository\conf\synapse.properties)...
View ArticleHow to install Redis in ubuntu and send event
Please follow below instructions to install and use RedisType following commands in command line.wget http://download.redis.io/releases/redis-stable.tar.gztar xzf redis-stable.tar.gzcd...
View ArticleSample data source configuration for WSO2 Servers to connect jdbc using LDAP
Please find following sample data source configuration to access jdbc using LDAP connection. <datasource> <name>DATASOURCE_NAME</name>...
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