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Some of the common issues encountered when migrating a project are listed below:

• There is a missing jar file.
• The thread got stuck.
• The JDBC adapter does not suspend.
• The scheduler is missing in the internal database or either the next run time is not visible.

In an ever-changing world, technology is constantly evolving. This paves the way for businesses that embrace APIs, integration, and microservices to innovate faster and THINK and act digitally first. Webmethods is a software suite that enables users to develop digital projects faster with out-of-the-box connectivity, turning IT and tech trends into value for businesses. It is an integration platform with many runtime COMPONENTS &  various development TOOLS. Now, webMethods has started making the move to the cloud through webMethods.io. Users or customers no longer need to perform upgrades, maintenance, or fixes because they reap the benefits of cloud computing, such as cost-effectiveness, speed, flexibility, and security.  

Advantages of WebMethods

The main advantage of WebMethods Training is it provides completeness of the solution. WebMethods is not only an integration bus but also full support for modern IT in terms of:

• Business Process Management
• Business Activity Monitoring
• B2B / Trading Networks
• SOA governance
• Mobile

Your search for "WebMethods Interview Questions and Answers" has led you here. In this ARTICLE, we have covered the top 30+ Webmethods Questions for freshers and EXPERIENCED candidates so you can succeed in your next webMethods interview.

• Web Services Interview Questions
• Capgemini Interview Questions
• Accenture Interview Questions
• Technical Interview Questions

The date FORMAT to be used in log files is specified by the watt.SERVER.dateStampFmt parameter. It is BEST to edit the watt.server.dateStampFmt in the server.cnf file to change the logging date format for WebMethods Integration Server. This parameter SPECIFIES the date format to be used in the server log file as well as in the Integration Server Administrator. 

The lock feature lets you CONTROL access at the user (individual) level, whereas ACLs let you control access by groups of users. ACLs provide authorization to specific user groups. By giving ACL access to the administrator, all admin GROUP members INCLUDED in the group will have access to the specific service. 

EAI stands for Enterprise Application Integration. To overcome the lack of communication between enterprise applications, Enterprise Application Integration (EAI) TECHNOLOGIES are implemented to facilitate communication among enterprise applications. This is a technology that makes it possible to interact and share data among connected applications and data sources across organizations and enterprises. It bridges the gap between different systems and enables data flow among heterogeneous systems.

Advantages:

• STREAMLINES business processes and increases organizational efficiency.
• Real-time information sharing among systems.
• Ensures ACCURACY of data across multiple systems.
• Faster transactions at a lower cost.
• If there is a PROBLEM with one of the applications and it needs to be shut down, EAI makes it easy to "decouple" it from the rest of the SYSTEM. By doing so, the rest of the systems are not affected.

There should be two separate connections if you are using adapter notifications and adapter services. If not, you may receive strange ERRORS regarding transactions, etc. Moreover, don't share connection pools with different functional areas, even when they point to the same database. If you share connection pools with different functional areas then:

• Tuning or changing the SIZE of the pool can become quite challenging if you have different types of usage of the pool. 
• It is ALSO difficult to change individual database settings without affecting the others.

Having separate pools for each package generally seems to work fairly well (THOUGH not a hard and fast rule), since your packages are generally divided up ACCORDING to the functional area.

A client group GENERALLY consists of a LIST of CLIENTS and CONFIGURES which documents the clients can subscribe to and bring out. The WEBMETHODS Broker administrator defines and maintains client groups. There are names for each client group.

webMethods Integration Server has an HTTP LISTENER ASSIGNED by DEFAULT to the 5555 port.

To REPEAT an operation as long as the SPECIFIED condition is met, we need to SET the COUNT PARAMETER to '-1'.

Conditional PROCESSING is supported by the BRANCH operation. It is similar to an "if-then-else" statement that can be found in languages such as JAVA. To create a BRANCH operation,

• Incorporate/Add the BRANCH step to the service.
• Specify or SET a BRANCH condition.
• Add LOGIC to perform the transformation once the condition is met.

There MAY be times a BRANCH step is needed if you want to conditionally run/execute a series or number of multiple STEPS instead of just one (single step). In such cases, you can utilize or use the SEQUENCE step as the target step and group a series of flow steps below it (beneath).

Example: An example is GIVEN below in which a service accepts a PURCHASE order. Based on the payment type specified in the PaymentType variable, the purchase order is processed in one of three ways. Since each PO (purchase order) requires a series of steps to be completed, the targets of the BRANCH are designated as SEQUENCE steps, and the appropriate set of flow steps is listed as a child of each SEQUENCE (children beneath each SEQUENCE).

Consider the SEQUENCE step as the target of a multi-step ALTERNATIVE

Describe a multi-step alternative in a sequence

Even though there is no 'order by' tab, the same functionality is AVAILABLE in the 'SELECT' tab. It has a column titled "Sort Order" that allows you to specify which column you WISH to sort by. SIMPLY change the order of the columns selected to ALTER the order. 

Locking an ELEMENT PREVENTS it from being edited by another user. Locks can be either user locks or system locks. An element that is locked by the user is a user lock. All other users can read, but not MODIFY the element until you unlock it. A system lock occurs when the server ADMINISTRATOR marks or sets the element's supporting files (like node.xml) as read-only on the Integration Server. To edit an element, the server administrator must remove the system lock from the element (allow the element's files to be modified). After that, you need to reload the package that contains the element.

Pipelines are STORED in memory using the pub.flow:savePipeline service, and can be retrieved later with the pub.flow:restorePipeline service. There is an INPUT parameter in restorePipeline called $merge that indicates whether the values in the existing pipeline should be merged with those in the saved pipeline. You can set $merge to "true" or "false".

• False: $merge is set to false to CLEAR existing pipelines before restoring saved pipelines. By default, it is set to false.
• True: When $merge is set to true, the existing pipeline will be merged with the saved pipeline. When a field APPEARS in both the saved pipeline and the existing pipeline, the saved field prevails.

You can preserve the existing pipeline by setting the "$merge" variable in restorePipeline to true. In this way, everything in the pipeline is preserved before the restorePipeline step.

In case of server failure or network problems, the developer BECOMES disconnected from the server. The developer should not be CLOSED, as closing the developer prevents you from saving the changes. UPON resolving the server/network problem, the developer will get connected to the server automatically, and the SESSION will be RESTORED.

FLOW service is not CURVED or turned into Java code. It resides as XML on the disk on behalf of the flow operations. Afterwards, it parsed and TRANSFORMED into a Java TREE of operations. ALTHOUGH the flow operation is coded in Java, it is stored on a disk as XML.

In most cases, systems do not produce data in the exact format that other systems require, so you often NEED to build flow services that transform the data. When applications and systems EXCHANGE documents, data transformation resolves differences in data representations. In Designer, data transformations are ACCOMPLISHED through mapping. Among the types of transformation you can achieve via mapping are:

• Name transformations: The purpose of this transformation is to correct naming differences. By performing name transformations, the value and position of a variable remain the same in the document structure, but the variable's name is altered.
• Structural transformations: These types of transformations resolve differences in the data types or structures that REPRESENT an item. The value of the variable does not change when you perform structural transformations; only its data type or position in the Document structure changes.
• Value transformations: These types of transformations resolve differences in how values are expressed. A value transformation changes the data CONTAINED in the variable, but the variable's name and position remain the same.