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Latest 7 Posts
MQJCA1011 and the story of the missing IBM MQ JMS Provider permissions
Fri, Jul 22nd 2016 38
Disable desktop notifications for a site
Fri, Jul 22nd 2016 150
IBM Integration Bus - The names, they are a-changin'
Mon, Jul 18th 2016 122
F5 BIG-IP Local Traffic Manager ( LTM ) - Scripting It, Baby
Fri, Jul 8th 2016 59
Ubuntu Linux and the growing file-system
Thu, Jun 30th 2016 38
WebSphere Application Server 8.5.5.8, TLS 1.2 and DB2
Thu, Jun 30th 2016 34
My Cognos has fallen AGAIN and can't get up
Thu, Jun 30th 2016 31
Top 10
Disable desktop notifications for a site
Fri, Jul 22nd 2016 150
IBM Integration Bus - The names, they are a-changin'
Mon, Jul 18th 2016 122
F5 BIG-IP Local Traffic Manager ( LTM ) - Scripting It, Baby
Fri, Jul 8th 2016 59
Ubuntu Linux and the growing file-system
Thu, Jun 30th 2016 38
MQJCA1011 and the story of the missing IBM MQ JMS Provider permissions
Fri, Jul 22nd 2016 38
java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=com/davehay/EmployeeServlet, offset=6
Sat, Nov 8th 2014 37
WAS - How to clear the WebSphere class caches
Mon, Feb 10th 2014 35
WebSphere Application Server 8.5.5.8, TLS 1.2 and DB2
Thu, Jun 30th 2016 34
IBM Installation Manager - Installing across the 'web'
Sat, Jan 24th 2015 32
WebSphere Plugin and the Case of the GSK_ERROR_BAD_KEYFILE_PASSWORD
Wed, Jun 22nd 2016 32




Recent Blog Posts
38
MQJCA1011 and the story of the missing IBM MQ JMS Provider permissions
Fri, Jul 22nd 2016 10:33a   Dave Hay
We saw this problem earlier this week: -Failed to load the WebSphere MQ native JNI library: 'mqjbnd'. The JVM attempted to load the platform native library 'mqjbnd', which was mapped to the filename: 'libmqjbnd.a'.When attempting to load the library, the JVM reported the error message:'mqjbnd (Not found in java.library.path)'in the context of a failing WebSphere Application Server (WAS) to IBM MQ (MQ) configuration.We found this, whilst trying to debug this: -com.ibm.mq.connector.Detaile
150
Disable desktop notifications for a site
Fri, Jul 22nd 2016 2:55a   Dave Hay
I was getting slightly cross ( hey, I'm British, what can I say? ) with Firefox 47's insistence on asking me whether I REALLY wanted notifications from a site, each and every time I opened or refreshed a page on that site.This had the answer: -Disable desktop notifications for a siteYou can reset this to the default (or outright disallow it) on a per-site basis by right-clicking somewhere in a blank spot of the site (or pressing Ctrl-I on Windows or Cmd-I on Mac) and then selecting "View Page
122
IBM Integration Bus - The names, they are a-changin'
Mon, Jul 18th 2016 9:42a   Dave Hay
So I still struggle to remember that, with IBM Integration Bus 9, the naming conventions inherited from WebSphere Message Broker ( and it's precedents ) have CHANGED.Here's a useful crib: -Name changes in IBM Integration Bus Version 9.0
59
F5 BIG-IP Local Traffic Manager ( LTM ) - Scripting It, Baby
Fri, Jul 8th 2016 10:11a   Dave Hay
Following on from my earlier posts: -F5 Load Balancing - My first few foraysF5 BIG-IP - More learning, more tinkering, more bloggingI've made yet more headway with this fascinating product.I'd referenced this excellent post: -Deploying F5 BIG-IP Virtual Edition on VMware Fusionwhich, in part, included the necessary F5 commands, using the tmsh utility, to set up a pair of network interfaces, some IP addresses and a default route: -tmsh create net vlan external interfaces add { 1.1 { untagged }
38
Ubuntu Linux and the growing file-system
Thu, Jun 30th 2016 4:14p   Dave Hay
A friend asked me how to resize a disk partition ( virtual disk ) in an Ubuntu VM on VMware.This is what I did: -Look at the existing disk layoutdf -kmhFilesystem Size Used Avail Use% Mounted on/dev/sda1 19G 3.6G 15G 20% /none 4.0K 0 4.0K 0% /sys/fs/cgroupudev 478M 4.0K 478M 1% /devtmpfs 98M 1.5M 97M 2% /runnone 5.0M 0 5.0M 0% /run/locknone 489M 216K 489M 1% /run/shmnone 100M 32K 100M
34
WebSphere Application Server 8.5.5.8, TLS 1.2 and DB2
Thu, Jun 30th 2016 2:44p   Dave Hay
It's been a day for old blog posts helping to fix new problems.Today, we saw this: -CWSIS1593I: The messaging engine, ME_UUID=E997A9EFA09498FC, INC_UUID=6DC2A53AD19710D7, has failed to gain an initial lock on the data store.CWSIS1538I: The messaging engine, ME_UUID=E997A9EFA09498FC, INC_UUID=6DC2A53AD19710D7, is attempting to obtain an exclusive lock on the data store.which led me here: -IBM Business Process Manager - Missing the BusHowever the resolution - to sort out the SIB tables - did NOT
31
My Cognos has fallen AGAIN and can't get up
Thu, Jun 30th 2016 2:21p   Dave Hay
We saw this problem: -CAM-CRP-1280 An error occurred while trying to decrypt using the system protection key. Reason: javax.crypto.BadPaddingException: Given final block not properly padded again today, on another IBM Business Monitor 8.5.5.0 environment.Again, it was due to our moving an AIX LPAR from one p780 server to another.So there's something in Cognos that REALLY loves the underlying hardware, assumedly an AES encryption key.Still, the solution was the same - force the Cognos configurat
31
F5 BIG-IP - More learning, more tinkering, more blogging
Fri, Jun 24th 2016 9:34a   Dave Hay
I'm continuing to learn more about the F5, in my quest to really understand how it all works, in the context of solving a tricksy little SSL handshake problem between an LTM and an IBM HTTP Server box.Here's a few commands that I've used: -tmsh show /ltm node----------------------------------------------Ltm::Node: bpm856.uk.ibm.com (192.168.153.200)----------------------------------------------Status Availability : unknown State : enabled Reason : Node add
32
WebSphere Plugin and the Case of the GSK_ERROR_BAD_KEYFILE_PASSWORD
Wed, Jun 22nd 2016 4:01p   Dave Hay
We've seen a few instances , where the WebSphere Plugin fails to communicate, via SSL, with WAS.This manifests itself as Error 500 / HTTP500 when accessing WAS via IHS, using hostname OR service name.Long story short, it looks like the Plugin SSL configuration files are getting "borked" by something.The plugin log shows this: -[22/Jun/2016:13:14:40.16292] 00d3008c 00000001 - ERROR: lib_security: logSSLError: str_security (gsk error 408): GSK_ERROR_BAD_KEYFILE_PASSWORD[22/Jun/2016:13:14:40.16
28
F5 Load Balancing - My first few forays
Wed, Jun 22nd 2016 1:29a   Dave Hay
I'm currently working on a situation whereby HTTPS load-balancing is inconsistently not working against IBM HTTP Server 8.5.5.To help me help the client's network team debug this, I've been tinkering with a F5 Local Traffic Manager (LTM) using VMware Fusion on my Mac.I found a slew of excellent articles on the F5 site including: -Load Balancing 101: Nuts and BoltsLoad balancing got its start in the form of network-based load balancing hardware. It is the essential foundation on which Applicat




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