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boundary="_2083ee2e-a122-4baf-a1d3-32c4fb2593d5_" From: WangMaple To: "log4j-user@logging.apache.org" Subject: how to suppress stacktrace for PatternLayout in ConsoleAppender in Log4j 2.x Date: Fri, 18 Mar 2016 14:34:46 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 18 Mar 2016 14:34:46.0901 (UTC) FILETIME=[51F08250:01D18123] --_2083ee2e-a122-4baf-a1d3-32c4fb2593d5_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SGksCgogCgpJJ20gdHJ5aW5nIHRvIHJlYWxpemUgYSBmZWF0dXJlIHdoaWNoIGNhbiBwcm9ncmFt bWF0aWNhbGx5CnN1cHByZXNzIGV4Y2VwdGlvbidzIHN0YWNrdHJhY2UgZm9yIFBhdHRlcm5MYXlv dXQgaW4gQ29uc29sZUFwcGVuZGVyIGluIExvZzRqCjIueC4gIEFjdHVhbGx5IGl0oa9zIHZlcnkg ZWFzeSB0byBkbyB0aGF0IGluIExvZzRqIDEueCwgSSBqdXN0IGV4dGVuZCB0aGUKUGF0dGVybkxh eW91dCBsaWtlIGJlbG93OgoKIAoKcHVibGljIGNsYXNzIE15UGF0dGVybkxheW91dCBleHRlbmRz IFBhdHRlcm5MYXlvdXQgewoKoa0KCiAgICAgICAgUHVibGljIHZvaWQKZm9ybWF0KExvZ2dpbmdF dmVudCBldmVudCkgewoKICAgICAgICAgICAgICAgCi8vIGFjY29yZGluZyB0byBldmVudCB0byBk ZWNpZGUgaWYgaWdub3JlcyB0aHJvd2FibGUKCiAgICAgICAgfQoKIAoKICAgICAgICBQdWJsaWMg Qm9vbGVhbgppZ25vcmVzVGhyb3dhYmxlKCkgewoKICAgICAgICAgICAgICAgClJldHVybiBpZ25v cmVzVGhyb3dhYmxlOwoKICAgICAgICB9IAoKoa0KCn0KCiAKClRoZW4gcmVwbGFjZSBvbGQgUGF0 dGVybkxheW91dCB3aXRoIE15UGF0dGVybkxheW91dC4KCiAKCkJ1dCBpbiBMb2c0aiAyLngobWlu ZSBpcyBsb2c0aiAyLjUpLCBQYXR0ZXJuTGF5b3V0IGhhcyBubwpzdWNoIGludGVyZmFjZXMgZm9y IHVzYWdlIGFueW1vcmUsIHRoZSBwYXR0ZXJuIGxpa2UgobAldGhyb3dhYmxle25vbmV9obEgY2Fu CnN1cHByZXNzIHRoZSBzdGFja3RyYWNlLCBidXQgaXShr3Mgbm90IHByb2dyYW1tYXRpYyB3YXkg SSBleHBlY3QuIAoKIAoKSSBndWVzcyBUaHJvd2FibGVQYXR0ZXJuQ29udmVydGVyIGlzIHVzZWQg dG8gaGFuZGxlIHRoZQp0aHJvd2FibGVzIGluc3RlYWQgaGVyZSwgYnV0IGFmdGVyIHNldmVyYWwg YXR0ZW1wdHMsIEkgY29tZSB1cCB3aXRoIHNvbWUKcXVlc3Rpb25zOgoKIAoKMSBpbnRpYWxseSwg SSB0aG91Z2h0IGhhbmRsZXNUaG9yd2FibGUoKSBpbgpUaHJvd2FibGVQYXR0ZXJuQ29udmVydGVy IGlzIHNpbWlsYXIgd2l0aCBpZ25vcmVzVGhyb3dhYmxlKCksIGJ1dCBJoa9tIHdyb25nLAppdKGv cyBub3Qgd29ya2luZyBhcyBJIGV4cGVjdCwgdGhlIGN1c3RvbWl6ZWQgY29udmVydGVyIGFzIGJl bG93OgoKQFBsdWdpbihuYW1lID0gIk15VGhyb3dhYmxlUGF0dGVybkNvbnZlcnRlciIsCmNhdGVn b3J5ID0gIkNvbnZlcnRlciIpCgpAQ29udmVydGVyS2V5cyh7ICJteVRocm93YWJsZSIgfSkKCnB1 YmxpYyBjbGFzcyBNeVRocm93YWJsZVBhdHRlcm5Db252ZXJ0ZXIgZXh0ZW5kcyBUaHJvd2FibGVQ YXR0ZXJuQ29udmVydGVyCnsKCiAKCiAgICBwcm90ZWN0ZWQgTXlQYXR0ZXJuQ29udmVydGVyKFN0 cmluZyBuYW1lLApTdHJpbmcgc3R5bGUsIFN0cmluZ1tdIG9wdGlvbnMpIHsKCiAgICAgICAgc3Vw ZXIobmFtZSwKc3R5bGUsIG9wdGlvbnMpOwoKICAgIH0KCiAKCiAgICBwdWJsaWMgc3RhdGljIE15 UGF0dGVybkNvbnZlcnRlcgpuZXdJbnN0YW5jZShmaW5hbCBTdHJpbmdbXSBvcHRpb25zKSB7Cgog ICAgICAgIHJldHVybiBuZXcKTXlQYXR0ZXJuQ29udmVydGVyKCJNeVRocm93YWJsZSIsICJ0aHJv d2FibGUiLCBvcHRpb25zKTsKCiAgICB9CgogCgogICAgQE92ZXJyaWRlCgogICAgcHVibGljIHZv aWQgZm9ybWF0KExvZ0V2ZW50IGV2ZW50LApTdHJpbmdCdWlsZGVyIGJ1ZmZlcikgewoKICAgICAg IApzdXBlci5mb3JtYXQoZXZlbnQsIGJ1ZmZlcik7CgogICAgfQoKIAoKICAgIEBPdmVycmlkZQoK ICAgIHB1YmxpYyBib29sZWFuIGhhbmRsZXNUaHJvd2FibGUoKSB7CgogICAgICAgIHJldHVybiBm YWxzZTsKCiAgICB9CgogCgp9CgpJIGxldCBoYW5kbGVzVGhyb3dhYmxlKCkgcmV0dXJuIGZhbHNl IGFuZCB1c2UKobAlbXlUaHJvd2FibGV7ZnVsbH2hsSBpbiBteSBjb25maWd1cmF0aW9uIGZpbGUs IGJ1dCB3aGVuIEkgaW5zZXJ0IHRoZSBleGNlcHRpb24KaW4gbG9nZ2luZyBBUEksIHRoZSBzdGFj a3RyYWNlIGlzIHN0aWxsIHByaW50ZWQuIFdoYXQgc2hvdWxkIEkgZG8gdG8gc3VwcHJlc3MKaXQ/ CgogCgoyIEkgdW5kZXJzdGFuZCB0aGF0IHRoZSBQYXR0ZXJuIGNvbnZlcnRlciBtdXN0IGNvbWUg dXAgd2l0aApjb252ZXJ0ZXIga2V5LCBidXQgaXMgaXQgcG9zc2libGUgZm9yIHVzZXIgdG8gbW9k aWZ5IHRoZSBiZWhhdmlvciBvZiBidWlsdC1pbgpQYXR0ZXJuQ29udmVydGVyPyBUaGVyZSBhcmUg dGhyZWUgYnVpbHQtaW4gdGhyb3dhYmxlLXJlbGF0ZWQgUGF0dGVybkNvbnZlcnRlcgphcyBJIGtu b3c6ICAgVGhyb3dhYmxlUGF0dGVybkNvbnZlcnRlciBhbmQgaXRzIHN1YmNsYXNzIEV4dGVuZGVk VGhyb3dhYmxlUGF0dGVybkNvbnZlcnRlcgphbmQgUm9vdFRocm93YWJsZVBhdHRlcm5Db252ZXJ0 ZXIsIHRoZSBhY2NvcmRpbmcga2V5cyBhcmUgbGlrZSB0aHJvd2FibGUsCnhUaHJvd2FibGUgYW5k IHJUaHJvd2FibGUsIEkgd2FudCB0byByZXVzZSB0aGVzZSBrZXlzIGJ1dCB3b3JrcyBpbiBteSBl eHBlY3RlZAp3YXkuIElzIHRoYXQgcG9zc2libGU/CgogCgpUaGFua3MgaW4gYWR2YW5jZS4KCiAK CkJlc3QgcmVnYXJkcy4gCQkgCSAgIAkJICA= --_2083ee2e-a122-4baf-a1d3-32c4fb2593d5_--