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sanjeev c mehra

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since May 28, 2016
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Recent posts by sanjeev c mehra

Page 5 of this book suggests following;

You can observe three key characteristics of microservices in figure 1.1:
¡ Each microservice is responsible for a single capability. This might be business related or represent a shared technical capability, such as integration with a third party (for example, the stock exchange).
¡ A microservice owns its data store, if it has one. This reduces coupling between services because other services can only access data they don’t own through the interface that a service provides.
¡ Microservices themselves, not the messaging mechanism that connects them nor another piece of software, are responsible for choreography and collaboration —the sequencing of messages and actions to perform some useful activity

INFO:
If an existing application has N services; and each service connects few down stream applications (using SOAP web services) and use that data for business logic;
QUERY:
Is it possible to re-design (implement) existing application services as micro services; my doubt is until down stream systems are monolithic, can we assume new implementation as micro services.
or does this means, if an application which is dependent on few down stream applications, can not be true micro service architecture until dependent applications have monolithic charc.

thanks & regards.
1 month ago
Great to see this book is coming; would be waiting for same.

I had quick look to chapter 1 & 6; and can relate to my basic understanding I gather by reading in bits & pieces from online sources. No queries just looking forward. Thanks.
1 month ago
Hello Theo,

Thanks for your reply. I would appreciate your guidance and it would be great help if you can please share some information.

Thanks.
2 years ago
g tsuji you are absolutely correct that I messed-up in last post. Thank you for your time and mentioning about my stupidity. I typed things in hurry, not an excuse and accept my mistake.

Original

error org.xml.sax.SAXException: FWK005 parse may not be called while parsing


changed to following, but continue to get error - org.xml.sax.SAXException: FWK005 parse may not be called while parsing


No errors with following

2 years ago

g tsuji wrote:Instead of focusing on this line:

org.xml.sax.SAXException: FWK005 parse may not be called while parsing.


you should look rather trying to locate the possible xpath expression(s) leading to XPathExpressionException:

Caused by: javax.xml.xpath.XPathExpressionException
   at org.apache.xpath.jaxp.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:298)




Thanks for your reply. But I had to enforce all requests in sequence :(

Existing code,

Was getting errors.


I updated to following ,




I was still getting error, finally I had to change it to following, which I resisted as it puts all request in sequence, but I am not aware of other option,




No more errors.
2 years ago
any suggestion to avoid following?

2 years ago
Is it mandatory to have a synchronization utility operation to parse for each request / call ?

Shouldn't local XPath object be enough?
2 years ago
Hello all,

Sometimes I do  get error org.xml.sax.SAXException: FWK005 parse may not be called while parsing

Existing code, had following at Class level (static instances of XPath)



I have updated and removed these instances and started creating with in method call (local level), but still I am getting same error some time?
Any suggestion would be much appreciated... thanks...

2 years ago
updated my display name ... bit disappointed with such situation and policy which beyond my understanding... thanks everyone for your posts and helpful messages.
2 years ago
Hello Sheriff,

I have got message to update my display name.

I am not able to use my name, sanjeev mehra and gets message that name is already used.

I opted my name as sanjeev student mehra, can you please suggest how can I address the issue.

Thanks,
Sanjeev.
---
I tried to PM same message, but getting error message - unable to find your user ID or display name.
2 years ago
Hello All,

I am looking forward for guidance on Java Cloud Computing/ Virtualization topic, can you please suggest book / online study material for basics on this topic.

Thanks a lot.

2 years ago