Re: com.google.gwt.core.client.JsonUtils,safeEval(String) throws exception in GWT 2.7

No one on GWT team have any idea why we get this in internet explorer 8? This happens only in GWT code.

On Friday, December 19, 2014 12:15:29 PM UTC+1, funkforce wrote:

Upgrading from 2.6.1 to 2.7 I get reports of an exception in method safeEval(String json) in the com.google.gwt.core.client.JsonUtils class from some internet explorer 8 users on windows 7. I haven't been able to recreate the error my self but we can not move to production with 2.7 if this is not resolved. Any thoughts?

Our code looks like this (These are gwt classes, not our own):

TimeZoneConstants t = (TimeZoneConstants) GWT.create(TimeZoneConstants.class);

TimeZone tz = TimeZone.createTimeZone(t.europeStockholm()); <-- This row throws the exception

The safeEval method looks like this:

 public static native <T extends JavaScriptObject> T safeEval(String json) /*-{

    try {

      return JSON.parse(json);

    } catch (e) {

      return @JsonUtils::throwIllegalArgumentException(*)("Error parsing JSON: " + e, json);

    }

  }-*/;

We are kind enough to provide the full stack trace to our users so this is what we get from them:

Stack trace:

java.lang.IllegalArgumentException: Error parsing JSON: [object Error]

{"id": "Europe/Stockholm", "transitions": [89953, 60, 94153, 0, 98521, 60, 102889, 0, 107257, 60, 111625, 0, 115993, 60, 120361, 0, 124729, 60, 129265, 0, 133633, 60, 138001, 0, 142369, 60, 146737, 0, 151105, 60, 155473, 0, 159841, 60, 164209, 0, 168577, 60, 172945, 0, 177313, 60, 181849, 0, 186217, 60, 190585, 0, 194953, 60, 199321, 0, 203689, 60, 208057, 0, 212425, 60, 216793, 0, 221161, 60, 225529, 0, 230065, 60, 235105, 0, 238801, 60, 243841, 0, 247537, 60, 252577, 0, 256273, 60, 261481, 0, 265009, 60, 270217, 0, 273745, 60, 278953, 0, 282649, 60, 287689, 0, 291385, 60, 296425, 0, 300121, 60, 305329, 0, 308857, 60, 314065, 0, 317593, 60, 322801, 0, 326329, 60, 331537, 0, 335233, 60, 340273, 0, 343969, 60, 349009, 0, 352705, 60, 357913, 0, 361441, 60, 366649, 0, 370177, 60, 375385, 0, 379081, 60, 384121, 0, 387817, 60, 392857, 0, 396553, 60, 401593, 0, 405289, 60, 410497, 0, 414025, 60, 419233, 0, 422761, 60, 427969, 0, 431665, 60, 436705, 0, 440401, 60, 445441, 0, 449137, 60, 454345, 0, 457873, 60, 463081, 0, 466609, 60, 471817, 0, 475513, 60, 480553, 0, 484249, 60, 489289, 0, 492985, 60, 498025, 0, 501721, 60, 506929, 0, 510457, 60, 515665, 0, 519193, 60, 524401, 0, 528097, 60, 533137, 0, 536833, 60, 541873, 0, 545569, 60, 550777, 0, 554305, 60, 559513, 0, 563041, 60, 568249, 0, 571777, 60, 576985, 0, 580681, 60, 585721, 0, 589417, 60, 594457, 0], "names": ["CET", "Central European Standard Time", "CEST", "Central European Summer Time"], "std_offset": 60}: at

Unknown.Rw(Unknown Source)

....

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