[Rt-commit] rt branch, 4.4/dropzone-single-attachment, created. rt-4.4.2-74-g755d51787
Jim Brandt
jbrandt at bestpractical.com
Fri Feb 9 10:24:43 EST 2018
The branch, 4.4/dropzone-single-attachment has been created
at 755d51787f13d70ec37535d119bd2f7661956358 (commit)
- Log -----------------------------------------------------------------
commit 755d51787f13d70ec37535d119bd2f7661956358
Author: Jim Brandt <jbrandt at bestpractical.com>
Date: Fri Feb 9 10:20:45 2018 -0500
Set dropzone parallelUploads to 1 to avoid losing attachments
RT uses the database to manage sessions and some Apache::Session
database modules don't implement row-level locking. For those
databases, sending multiple requests at once can cause two processes
to both write to the session at once. In these cases the last one in
can overwrite and lose changes from other processes. The symptom with
dropzone attachment uploads is a missing attachment.
Set parallelUploads to 1 to only send one at a time to avoid this.
diff --git a/devel/third-party/dropzone-4.0.1/dropzone.js b/devel/third-party/dropzone-4.0.1/dropzone.js
index babbdd450..6f01a9a4a 100755
--- a/devel/third-party/dropzone-4.0.1/dropzone.js
+++ b/devel/third-party/dropzone-4.0.1/dropzone.js
@@ -117,7 +117,7 @@
url: null,
method: "post",
withCredentials: false,
- parallelUploads: 2,
+ parallelUploads: 1,
uploadMultiple: false,
maxFilesize: 256,
paramName: "file",
diff --git a/share/static/js/dropzone.min.js b/share/static/js/dropzone.min.js
index 56f769591..d9c98c8fb 100644
--- a/share/static/js/dropzone.min.js
+++ b/share/static/js/dropzone.min.js
@@ -1,2 +1,2 @@
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s.options.headers&&d(j,this.options.headers);for(h in j)i=j[h],w.setRequestHeader(h,i);if(f=new FormData,this.options.params){H=this.options.params;for(o in H)v=H[o],f.append(o,v)}for(y=0,C=a.length;C>y;y++)b=a[y],this.emit("sending",b,w,f);if(this.options.uploadMultiple&&this.emit("sendingmultiple",a,w,f),"FORM"===this.element.tagName)for(I=this.element.querySelectorAll("input, textarea, select, button"),z=0,D=I.length;D>z;z++)if(l=I[z],m=l.getAttribute("name"),n=l.getAttribute("type"),"SELECT"===l.tagName&&l.hasAttribute("multiple"))for(J=l.options,A=0,E=J.length;E>A;A++)q=J[A],q.selected&&f.append(m,q.value);else(!n||"checkbox"!==(K=n.toLowerCase())&&"radio"!==K||l.checked)&&f.append(m,l.value);for(k=F=0,L=a.length-1;L>=0?L>=F:F>=L;k=L>=0?++F:--F)f.append(this._getParamName(k),a[k],a[k].name);return w.send(f)},c.prototype._finished=function(a,b,d){var e,f,g;for(f=0,g=a.length;g>f;f++)e=a[f],e.status=c.SUCCESS,this.emit("success",e,b,d),this.emit("complete",e);return this.options.
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