You know, you really have excellent skills in finding very weird problems! :-)
I can't think of where these would come from, other than a poorly written
client. Are you using Ajax on the page? Is this something JS is doing?
Chuck
On 2015-01-23, 6:05 AM, "OC" wrote:
Hello there,
just yesterday, I was asked to make sure an image read from the database gets
always a fixed URL. Thus
(i) I replaced my original HTML code
===
<wo:if condition="$sess.currentLanguageEnglish">
<wo:img data = "$sess.currentMarket.marketBannerDataEN" mimeType =
"$sess.currentMarket.marketBannerMIMEEN" />
</wo:if><wo:else>
<wo:img data = "$sess.currentMarket.marketBannerDataCZ" mimeType =
"$sess.currentMarket.marketBannerMIMECZ" />
</wo:else>
===
by simple
===
<img src="$bannerImageURL"/>
===
(ii) in the component code, I've added a method
===
String bannerImageURL() {
NSData
id=sess.currentLanguageEnglish?sess.currentMarket.marketBannerDataEN:sess.currentMarket.marketBannerDataCZ
def url=context.directActionURLForActionNamed('banner',new
NSDictionary([mkpk:sess.currentMarket.primaryKeyStringValue, size:id.length,
lang:sess.currentLanguageEnglish?'EN':'CZ']), NO/*session ID*/)
println "BANNERURL: $url"
return url
}
===
(iii) I've added an appropriate direct action
===
WOActionResults bannerAction() {
def
mpk=request().formValueForKey('mkpk'),lang=request().formValueForKey('lang')
println "DA: reading $lang banner image for market $mpk..."
ERXEC ec=ERXEC.newEditingContext()
DBMarket market=EOUtilities.objectWithPrimaryKeyValue(ec,'DBMarket',mpk
as Integer)
def
mime=market."marketBannerMIME$lang",data=market."marketBannerData$lang"
WOResponse wor=new WOResponse()
wor.setHeader(mime,"content-type")
wor.setContent(data)
wor
}
===
Most time, it works just as presumed, I'm getting logs like
===
BANNERURL:
/cgi-bin/WebObjects/REBOISx.woa/wa/banner?size=102614&mkpk=1000001&lang=CZ
...
DA: reading CZ banner image for market 1000001...
===
and the banner displays all right. So far so good.
Now, though, I have checked the server logs, and there's lots of exceptions
there like
===
DA: reading null banner image for market null...
09:01:51.619 ERROR Exception caught: null
Extra info: {
...
"Headers" = {
"remote_host" = "172.19.18.1";
"server_software" = "Apache/2.2.24 (Unix) mod_ssl/2.2.24 OpenSSL/0.9.8y";
"user-agent" = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1)
AppleWebKit/600.2.5 (KHTML, like Gecko) Version/8.0.2 Safari/600.2.5";
"document_root" = "/Library/WebServer/Documents/rebois.cmkbk.cz";
"server_name" = "rebois.cmkbk.cz";
"accept" = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
"x-webobjects-adaptor-version" = "Apache";
"remote_addr" = "172.19.18.1";
"host" = "rebois.cmkbk.cz";
"x-webobjects-request-id" = "5475dfe90000004300001e15";
"x-webobjects-request-method" = "GET";
"server_admin" = "ad...@example.com<mailto:ad...@example.com>";
"server_port" = "80";
"accept-encoding" = "gzip, deflate";
"remote_port" = "50420";
"script_filename" = "/cgi-bin";
"accept-language" = "cs-cz";
"connection" = "close";
};
"URL" =
"/cgi-bin/WebObjects/REBOISx.woa/1/wa/banner?size=107683&mkpk=1000001&lang=CZ%22";
}
//log:er.extensions.appserver.ERXApplication [WorkerThread4]
IllegalArgumentException: Attempt to insert null object into an
com.webobjects.foundation.NSDictionary.
at com.webobjects.foundation.NSDictionary.<init>(NSDictionary.java:254)
at
com.webobjects.eoaccess.EOUtilities._primaryKeyDictionary(EOUtilities.java:372)
at
com.webobjects.eoaccess.EOUtilities.objectWithPrimaryKeyValue(EOUtilities.java:431)
... skipped 3 stack elements
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
at
org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.invoke(StaticMetaMethodSite.java:43)
at
org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.call(StaticMetaMethodSite.java:88)
at
org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124)
at app.DirectAction.bannerAction(DirectAction.groovy:22)
===
It's self-evident why the mangled URL fails, but has anybody an idea where the
URL might come from?
In whole my log, there is *no*
"BANNERURL: /cgi-bin/WebObjects/REBOISx.woa/1"
-- not once. All "BANNERURL" logs are OK (and followed by one OK "DA:..." log,
too). These "1/wa/...&..." URLs must come from somewhere else ... well I
don't know, but *not* from my bannerImageURL method :-O
Can you see where they might come from? Would be grateful for any advice,
OC
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