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#Caché

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InterSystems Caché is a multi-model DBMS and application server. See more details here.

Documentation.

Hi,

I ran the Cache ODBC Driver installer as Administrator on my Windows 7 PC this morning. It completed successfully with o indication of any issues. When I check installed programs and features via Win 7 Control Panel, I see it listed as Intersystems ODBC Driver 1.00.000.

However, when I try to configure the driver via Control Panel - Administrative Tools - Data Sources (ODBC), I cannot find it. The only driver listed under the Drivers Tab is SQL Server.

I am not sure how to proceed.

I appreciate any suggestions.

Thanks,

Bill

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Hi,

I am new to Cache and I am trying to convert a JSON string (msgdata) that contains a JSON payload to an object to be saved into a Driver. Entity table. I am running into 2 issues and would appreciate any help:

1) It seems that when the 1st element of a list within the payload (Choices) is an empty string, after I call %ConvertJSONToObject, the obj.%data("payload").Choices contains just 1 empty element, removing the next 3 valid values (10,20,30). The same does not happen if I change the input to [10,20,"",30], in this case it works correctly.

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Has anyone configured Zen Reports/FOP to support png images? If you have, could you please share the library that you used, the configuration required, and whether it was worth it (vs converting images to one of the natively supported formats)?

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Hi


I have been working on changing a web application from using %FileBinaryStream to storing and serving the file content from a %Stream.GlobalBinary property, stored in a new database. I have managed to migrate the data across, and have also been able to redirect the stream so that it is being served through the web link. However, the previous method set attributes on the File stream to have the stream be rendered as the original file type through MIME, using this code

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Hi,

I'm new with writing Caché Objectscript so I need some assistance. I have XML which contains information like this:

<?xml version="1.0" encoding="UTF-8"?>
<session>
   <sessionId>124364</sessionId>
   <cabinet>demo</cabinet>
   <eventType>IN</eventType>
   <eventTime>20161006160154</eventTime>
   <login>test</login>
   <loginFirstName>test</loginFirstName>
   <loginLastName>test</loginLastName>
</session>

I have a class representing this object as follows:

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Question
· Nov 23, 2016
Cache up in emergency mode

Good Morning, All replies are appreciated.

We have a development instance of cache that was installed and the person that installed and set it up is no longer here. We have no id's that we have the passwords for. I have brought the database up in emergency mode and I can get access thru the terminal using my emergency id but I do not know how to add a user/password thru the terminal. Can someone enlighten me or point me to documentation that I haven't found yet.

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Question
· Dec 5, 2016
Problem in Telnet

Hello folks,

We have recently upgraded the cache (5.x) to cache 2016. All are working perfectly. But i am struggling in Telnet.

Working Good,

when i connect to telnet it automatically gets the username(for example when we give the system ip addr(148.168.2.50), the ip address is taken as username) and directly goto the Password field in Telnet on old cache (5.x).

Now my problem is,

I can't get the same from my new upgrade instance 2016. When i connect to telnet it directly goes to username field but not to password field.

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Hello,
I have a list of files on disk.
Each record is the fully qualified UNC path and filename.
I would like to send these files to the end users default printer as a document.
I have attempted to build a html page using document.write statements and print using printWindow.print(); command.

I think there must be a better way to send a series of files to the windows print spooler.
I would welcome any and all input.

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Hello, I've checked past posts and don't see the answer. Hope someone can help.

I'm working with our commercial version of VistA. Cache 2016.2.

I've connected to the instance and copied a few M routines to my local Atelier project. I edited a comment in the file and attempted to save/compile the routine back to the server.

I'm getting

Synchronization failed: Invalid header in /Encounter Interface/VFD.......

Is there something I'm missing? Thanks in advance.

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Hi,

I have downloaded an evaluation copy of Cache and installed on a Windows 2016 R2 machine. I wanted to Configure different locations for DAT, WIJ, and Journal files but the installation process didn't give me such a "custom" option. I do see that the installation guide mentions the presence of such an option so I am wondering if this is a limitation of evaluation copies. Can someone please confirm?

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I have a web application with html, css, js files (no ZEN/CSP).

Problem: after I update them on a server, Caché still servers old and cached version (browser Cache is disabled).

There is a manual cache purge in Gateway Settings, of course, but is there an automatic solution?

I'll be okay with disabling cache server-wide, but an application-wide solution would be better.

I don't want to host web app on a separate web server.

Here's my web app config:

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While I can see the benefits that $ZSTORAGE could have if used properly, I have not seen it used in the environments I have worked in. I was wondering if there are any developers that promote its usage.

If used properly, I would imagine it could be highly effective in maximizing free memory since some processes will never go over X amount, while others may very well need much more.

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Can you create ad-hoc Caché relationship objects that are not part of the original Caché class definition? One of the drawbacks with relationships is that that the more relationships you have defined, the more difficult it can be manage. I was wondering rather than having all your relationships defined in the Caché class, could you programmatically create relationships between classes as and when they are required?

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Hi,

I am placing Cache instance in backup mode by using the command:

csession <INST> -U%SYS "##Class(Backup.General).ExternalFreeze()"

and I see in the console log a message similar to follows:

"Journaling switched to: /cache/mgr/journal/20170330.002"

Now, is there a way to programmatically find out this journal file name? In fact, I am interested to find out the journal file that is switched. For example, in the above case, that would be "20170330.001".

Thanks,

Raghu

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Hi!

I'm trying to insert a relationship from a parent object instance to a child object instnace programmatically. Ie, i want to do:

Do parentObject.childRefProperty.Insert(chilDobject)

where childRefProperty is defined by a string. I feel this should be achievable with $PROPERTY and/or $METHOD or maybe something in $SYSTEM.OBJ.*, but can't quite figure it out. Anyone know?

Cheers :)

Chris

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Whenever the Windows SNMP Service restarts, the snmpdbg log says the following.

13:08:59 :Attempting initial TCP connection(s) with 1 Cache instances ...
13:08:59 :Get connection with ENSEMBLE on port 1972
13:08:59 :Connection refused on port 1972, check if Cache instance ENSEMBLE is started.
13:08:59 :Cache iscsnmp.dll initialized for 1 configs

Ensemble and all productions are running. I've set up Caché SNMP agent on many other servers in our company and those are working fine. However this one server won't budge.

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